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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2018	Oct. 31, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	Semler Scientific, Inc.
Entity Central Index Key	0001554859
Trading Symbol	smlr
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		6,318,897
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false

Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Revenues	$ 5,579	$ 3,607	$ 15,526	$ 8,239
Operating expenses:
Cost of revenues	615	724	1,999	1,855
Engineering and product development	587	432	1,443	1,345
Sales and marketing	1,798	1,350	5,283	3,502
General and administrative	1,033	1,025	2,908	2,765
Total operating expenses	4,033	3,531	11,633	9,467
Income (loss) from operations	1,546	76	3,893	(1,228)
Interest expense	(1)	(42)	(57)	(190)
Related party interest expense	(74)	(75)	(206)	(158)
Loss on extinguishment of loans				(179)
Other expense	(3)		(4)	(8)
Other expense	(78)	(117)	(267)	(535)
Net income (loss)	$ 1,468	$ (41)	$ 3,626	$ (1,763)
Net income (loss) per share:
Basic (in dollars per share)	$ 0.24	$ (0.01)	$ 0.60	$ (0.33)
Diluted (in dollars per share)	$ 0.19	$ (0.01)	$ 0.48	$ (0.33)
Weighted average number of shares used in computing: basic and diluted loss per share
Basic (in shares)	6,086,489	5,463,568	5,998,460	5,346,178
Diluted (in shares)	7,927,788	5,463,568	7,611,961	5,346,178

Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current Assets:
Cash	$ 3,087	$ 1,457
Trade accounts receivable, net of allowance for doubtful accounts of $52 and $35, respectively	2,480	1,315
Prepaid expenses and other current assets	171	111
Total current assets	5,738	2,883
Assets for lease, net	1,045	1,147
Property and equipment, net	245	193
Long-term deposits	15	15
Total assets	7,043	4,238
Current liabilities:
Accounts payable	251	488
Accrued expenses	2,259	2,670
Deferred revenue	371	531
Accrued interest		168
Accrued interest - related party		28
Loans payable net of debt discount of $0 and $9, respectively		1,018
Related party loans payable net of debt discount of $0 and $13, respectively	1,838	237
Total current liabilities	4,719	5,140
Long-term liabilities:
Deferred rent	12	13
Loans payable, less current portion		26
Related party loans payable, less current portion		1,642
Total long-term liabilities	12	1,681
Stockholders' equity (deficit):
Common stock, $0.001 par value; 50,000,000 shares authorized; 6,198,294 and 5,902,244 shares issued, and 6,173,294 and 5,877,244 outstanding (treasury shares of 25,000 and 25,000), respectively	6	6
Additional paid-in capital	25,112	23,843
Accumulated deficit	(22,806)	(26,432)
Total stockholders' equity (deficit)	2,312	(2,583)
Total liabilities and stockholders' equity (deficit)	$ 7,043	$ 4,238

Condensed Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Allowance for doubtful accounts on trade accounts receivable (in dollars)	$ 52	$ 35
Debt discount on loans payable, current (in dollars)	0	9
Debt discount on related party loans payable, current (in dollars)	$ 0	$ 13
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	6,198,294	5,902,244
Common stock, shares outstanding	6,173,294	5,877,244
Treasury stock, shares	25,000	25,000

Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 3,626	$ (1,763)
Reconciliation of Net Income (Loss) to Net Cash Provided by Operating Activities:
Amortization of debt discount	22	138
Accretion of non-cash interest	200	109
Loss on extinguishment of debt		179
Depreciation	373	409
Loss on disposal of property and equipment	2	(1)
Loss on disposal of assets for lease	150	200
Allowance for doubtful accounts	39	7
Stock-based compensation expense	470	253
Changes in Operating Assets and Liabilities:
Trade accounts receivable	(1,165)	(607)
Prepaid expenses and other current assets	(60)	(65)
Accounts payable	(237)	197
Accrued expenses	(609)	763
Deferred revenue	(160)	362
Net Cash Provided By Operating Activities	2,651	181
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment	(131)	(24)
Proceeds from disposal of property and equipment	1	2
Purchase of assets for lease	(323)	(764)
Net Cash Used in Investing Activities	(453)	(786)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock		475
Exercise of warrants	64
Exercise of stock options	440	78
Proceeds from loans payable		114
Payments of loans payable	(1,072)	(106)
Net Cash (Used in) Provided by Financing Activities	(568)	561
INCREASE (DECREASE) IN CASH	1,630	(44)
CASH, BEGINNING OF PERIOD	1,457	622
CASH, END OF PERIOD	3,087	578
Cash paid for interest	192	10
Supplemental disclosure of noncash financing activity:
Retirement of related party loans payable through common stock issuance	$ 294
Reclassification of accrued interest to debt upon extinguishment		162
Fair value of warrants issued to lenders		$ 288

Basis of Presentation

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

1.	Basis of Presentation

Semler Scientific, Inc., a Delaware corporation (“Semler” or “the Company”), prepared the unaudited interim financial statements included in this report in accordance with United States generally accepted accounting principles (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this quarterly report on Form 10-Q should be read in conjunction with the audited financial statements and notes thereto included in the Company’s annual report on Form 10-K for the year ended December 31, 2017 filed with the SEC on March 8, 2018 (the “Annual Report”). In the opinion of management, these financial statements include all adjustments (consisting of normal recurring adjustments) necessary for a fair statement of the financial position, results of operations and cash flows for the periods presented. The results of operations for the interim periods shown in this report are not necessarily indicative of the results that may be expected for any future period, including the full year.

Recently Issued Accounting Pronouncements

Accounting Pronouncements Recently Adopted

In November 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2015-17, Balance Sheet Classification of Deferred Taxes, to reduce complexity and simplify the reporting of deferred income tax liabilities and assets. The amendments in this update require that all deferred tax liabilities and assets be classified as noncurrent in a classified balance sheet. The current requirement that deferred tax liabilities and assets of a tax-paying component of an entity be offset and presented as a single amount is not affected by the amendment of this update. This standard is effective for the Company’s annual periods beginning after December 15, 2017 and interim periods within annual periods beginning after December 15, 2018, with earlier application permitted. The Company adopted the new standard in the first quarter of 2018. The Company maintains full valuation allowances on all deferred tax balances, and therefore, the adoption of this standard did not have a material impact on its financial statements.

In May 2017, the FASB issued ASU No. 2017-09, Compensation—Stock Compensation (Topic 718) — Scope of Modification Accounting. This ASU requires modification accounting for a change in terms or conditions of a share-based payment award only if the fair value, the vesting condition, or the classification of the award (as liability or equity) changes as a result of the changes in terms or conditions. The amendments, which are to be applied prospectively to modifications after adoption, are effective for the Company's annual periods beginning after December 15, 2017, with early adoption permitted. The Company adopted the new standard in the first quarter of 2018 and it did not have a material effect on the Company's financial position or results of operations.

Accounting Pronouncements Not Yet Adopted

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (“ASU No. 2014-09”). The amendment in this ASU provides guidance on the revenue recognition to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The core principle of this update provides guidance to identify the performance obligations under the contract(s) with a customer and how to allocate the transaction price to the performance obligations in the contract. It further provides guidance to recognize revenue when (or as) the entity satisfies a performance obligation. This standard will replace most existing revenue recognition guidance. On August 8, 2015, the FASB issued ASU 2015-14, which defers the effective date of ASU No. 2014-09 by one year, and permits early adoption as long as the adoption date is not before the original public entity effective date. This standard is effective for the Company’s year ending December 31, 2019 with early adoption permitted for the year ended December 31, 2017. Since the issuance of ASU 2014-09, the FASB has issued several amendments that clarify certain points, including ASU 2016-08, Principal versus Agent Considerations (Reporting Revenue Gross versus Net), ASU 2016-10, Identifying Performance Obligations and Licensing, ASU 2016-11, Rescission of SEC Guidance Because of Accounting Standards Updates 2014-09 and 2014-16 Pursuant to Staff Announcements at the March 3, 2016 Emerging Issues Task Force Meeting, and ASU 2016-12, Narrow-Scope Improvements and Practical Expedients, and ASU No. 2016-20, Technical Corrections and Improvements to Topic 606. The updated revenue standard allows two methods of adoption: (1) retrospectively to each prior period presented (“full retrospective method”), or (2) retrospectively with the cumulative effect recognized in retained earnings as of the date of adoption (“modified retrospective method”). The new standard further requires new disclosures about contracts with customers, including the significant judgments the company has made when applying the guidance. The Company will adopt the new standard effective January 1, 2019, using the modified retrospective transition method. The Company is currently evaluating the impact that this new standard will have on its financial statements.

In January 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) ("ASU No. 2016-02"). Under the new guidance in ASU No. 2016-02, lessees will be required to recognize the following for all leases (with the exception of short-term leases) at the commencement date: 1) A lease liability, which is a lessee‘s obligation to make lease payments arising from a lease, measured on a discounted basis; and 2) A right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged, however, certain targeted improvements were made. ASU No. 2016-02 also simplifies the accounting for sale and leaseback transactions. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. Lessees and lessors may not apply a full retrospective transition approach. The new standard also requires expanded disclosures regarding leasing arrangements. In July 2018, the FASB issued ASU No. 2018-11, Leases (Topic 842): Targeted Improvements. This ASU provides another transition method in addition to the existing transition method by allowing entities to initially apply the new leases standard at the adoption date and recognize a cumulative effect adjustment to the opening balance of retained earnings in the period of adoption. This ASU also provides further guidance on lessors accounting policy election to not separate non-lease components from the associated lease components and limits this to circumstances in which the non-lease component or components otherwise would be accounted for under the new revenue guidance and both (1) the timing and pattern of transfer are the same for the non-lease component(s) and associated lease component, and (2) the lease component, if accounted for separately, would be classified as a an operating lease. This update is effective for the Company’s annual periods beginning after December 15, 2019, including interim periods within those fiscal years. The Company will adopt the new standard in the first quarter of fiscal year 2020. The Company is currently evaluating the impact that this new standard will have on its financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”). This ASU requires timelier recording of credit losses on loans and other financial instruments held. Instead of reserves based on a current probability analysis, ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. All organizations will now use forward-looking information to better inform their credit loss estimates. ASU 2016-13 requires enhanced disclosures regarding significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. These disclosures include qualitative and quantitative requirements that provide information about the amounts recorded in the financial statements. In addition, ASU 2016-13 amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. This standard is effective for the Company’s fiscal years beginning after December 15, 2020. The Company will adopt the new standard in fiscal year 2021. The Company is currently evaluating the effect the new standard will have on its financial statements.

In June 2018, the FASB issued ASU No. 2018-07, Compensation – Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting (“ASU 2018-07”). This ASU expands the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. An entity should apply the requirements of Topic 718 to nonemployee awards except for specific guidance on inputs to an option pricing model and the attribution of costs. The ASU specifies that Topic 718 applies to all share-based payment transactions in which a grantor acquires goods or services to be used or consumed in a grantor’s own operations by issuing share-based payment awards. This standard is effective for the Company’s annual periods beginning after December 15, 2019, including interim periods within those fiscal years. The Company will adopt the new standard in the first quarter of fiscal year 2020. The Company is currently evaluating the impact that this new standard will have on its financial statements.

In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement. The amendments in this ASU modify the disclosure requirements on fair value measurements removing the requirements to disclosure amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, the policy for timing of transfers between levels, and the valuation processes for Level 3 fair value measurements. In addition, it modified certain disclosures related to Level 3 fair value measurements and added additional disclosures regarding the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements and the changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period. This update is effective for the Company’s annual periods beginning after December 15, 2019, including interim periods within those fiscal years. The Company will adopt the new standard in the first quarter of fiscal year 2020. The Company does not anticipate this update to have a material impact on its financial statements.

Going Concern

9 Months Ended

Sep. 30, 2018

Going Concern [Abstract]

Going Concern

2.	Going Concern

From inception through the third quarter of 2017, the Company incurred recurring losses as a result of costs and expenses related to the Company’s marketing and other promotional activities, and continued research and development of its products. The Company generated a net profit for the nine months ended September 30, 2018. As of September 30, 2018, the Company has working capital of $1,019, cash of $3,087 and stockholders’ equity of $2,312. The Company’s principal sources of cash have included the issuance of equity securities, to a lesser extent, borrowings under loan agreements and revenues from leasing its products. To increase revenues, the Company’s operating expenses will continue to grow and, as a result, the Company will need to generate significant additional revenues to maintain profitability.

The Company’s financial statements as of September 30, 2018 have been prepared under the assumption that the Company will continue as a going concern. The Company’s ability to continue as a going concern is dependent upon its ability to attain further operating efficiencies and, ultimately, to generate additional revenues or raise additional capital. The financial statements do not include any adjustments that might result from the outcome of this uncertainty. The Company can give no assurances that additional revenues that the Company may be able to generate nor any additional capital that the Company is able to obtain, if any, will be sufficient to meet the Company’s needs. The foregoing conditions raise substantial doubt about the Company’s ability to continue as a going concern.

Assets for Lease, net

9 Months Ended

Sep. 30, 2018

Leases, Capital [Abstract]

Assets for Lease, net

Assets for Lease, net

Assets for lease consist of the following:

	September 30, 2018			December 31, 2017

Assets for lease	$	1,956		$	1,847
Less: accumulated depreciation		(911	)		(700	)
Assets for lease, net	$	1,045		$	1,147

Depreciation expense amounted to $97 and $81 for the three months ended September 30, 2018 and 2017, respectively. Depreciation expense amounted to $296 and $266 for the nine months ended September 30, 2018 and 2017, respectively. Reduction to accumulated depreciation for returned items was $24 and $30 for the three months ended September 30, 2018 and 2017, respectively. Reduction to accumulated depreciation for returned items was $85 and $121 for the nine months ended September 30, 2018 and 2017, respectively. The Company recognized a loss on disposal of assets for lease in the amount of $43 and $58 for the three months ended September 30, 2018 and 2017, respectively. The Company recognized a loss on disposal of assets for lease in the amount of $150 and $200 for the nine months ended September 30, 2018 and 2017, respectively.

Property and Equipment, net

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Property and Equipment, net

Capital assets consist of the following:

	September 30, 2018			December 31, 2017

Capital assets	$	448		$	322
Less: accumulated depreciation		(203	)		(129	)
Capital assets, net	$	245		$	193

Depreciation expense amounted to $27 and $47 for the three months ended September 30, 2018 and 2017, respectively. Depreciation expense amounted to $77 and $143 for the nine months ended September 30, 2018 and 2017, respectively.

Accrued Expenses

9 Months Ended

Sep. 30, 2018

Accrued Liabilities, Current [Abstract]

Accrued expenses

Accrued Expenses

Accrued expenses consist of the following:

	September 30, 2018		December 31, 2017

Compensation (1)	$	1,943	$	2,275
Board of directors fees (2)		15		148
Miscellaneous accruals		301		247
Total accrued expenses	$	2,259	$	2,670

The balance of accrued compensation includes normal accruals for commissions, bonuses, paid time off and other accrued payroll items. In addition, three employees, including the Company’s Chief Executive Officer (“CEO”), agreed to further defer amounts accrued to them as of December 31, 2017. The Company agreed to further delay and continue to accrue these amounts and increase the balance owed by 1% per month beginning January 1, 2017 to no later than January 31, 2019. As of September 30, 2018, these deferred amounts plus additional 1% accruals owed were paid in full and the balance was $0.

Two members of the Company’s board of directors agreed to further defer fees earned from August 2016 to July 2017. The Company agreed to further delay and continue to accrue these amounts and increase the balance owed by 1% per month beginning January 1, 2018 to no later than January 1, 2019. As of September 30, 2018, these deferred amounts plus additional 1% accruals were paid in full and the balance was $0.

Concentration of Credit Risk

9 Months Ended

Sep. 30, 2018

Risks and Uncertainties [Abstract]

Concentration of Credit Risk

Concentration of Credit Risk

Credit risk is the risk of loss from amounts owed by the financial counterparties. Credit risk can occur at multiple levels; as a result of broad economic conditions, challenges within specific sectors of the economy, or from issues affecting individual companies. Financial instruments that potentially subject the Company to credit risk consist of cash and accounts receivable.

The Company maintains cash with major financial institutions. The Company’s cash consists of bank deposits held with banks that, at times, exceed federally insured limits. The Company limits its credit risk by dealing with counterparties that are considered to be of high credit quality and by performing periodic evaluations of the relative credit standing of these financial institutions.

Management periodically monitors the creditworthiness of its customers and believes that it has adequately provided for any exposure to potential credit loss. For the three months ended September 30, 2017, two customers accounted for 51.1% and 14.9% of the Company’s revenue, respectively. For the nine months ended September 30, 2017, one customer accounted for 52.0% of the Company’s revenue. As of December 31, 2017, two customers accounted for 56.6% and 23.9% of the Company’s accounts receivable, respectively. For the three months ended September 30, 2018, two customers accounted for 51.8% and 22.2% of the Company’s revenue. For the nine months ended September 30, 2018, two customers accounted for 53.1% and 19.4% of the Company’s revenue. As of September 30, 2018, two customers accounted for 47.6% and 40.1% of the Company’s accounts receivable.

Commitments and Contingencies

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Facilities Leases

The Company recognized facilities lease expenses of $17 and $17 for the three months ended September 30, 2018 and 2017, respectively. The Company recognized facilities lease expenses of $52 and $50 for the nine months ended September 30, 2018 and 2017, respectively.

Loans Payable

	September 30, 2018				December 31, 2017
Lender	Long-term		Short-term		Long-term		Short-term
Loans from Related Parties
Chang Family Trust	$	-	$	1,260	$	1,126	$	-
Chang Family Trust		-		578		516		-
Glenn J. Krevlin		-		-		-		250

Other Loans
Accredited Investor		-		-		-		700
Accredited Investor		-		-		-		160
Accredited Investor		-		-		-		80
Ascentium Capital, LLC		-		-		-		22
Ascentium Capital, LLC		-		-		16		26
Royal Bank America Leasing, L.P.		-		-		-		28
Ascentium Capital, LLC		-		-		10		11

Total		-		1,838		1,668		1,277
Debt Discounts		-		-		-		(22	)
Total, net of debt discounts	$	-	$	1,838	$	1,668	$	1,255

Loans from Related Parties

On January 15, 2016, the Company entered into a loan agreement with the Chang Family Trust, one of its significant stockholders. Pursuant to the loan agreement, the Company obtained a $1,000 unsecured loan, which initially had a 24-month term, at a fixed interest rate of 10% per annum. Under the loan agreement, the Company will pay $1,000 of principal plus all accrued and unpaid interest at maturity. The Company may prepay the notes at any time prior to maturity without penalty. The notes must be repaid prior to maturity in the event of default, and the Company agreed not to incur additional indebtedness in excess of $50 without the lender’s prior consent, which is not to be unreasonably withheld. In connection therewith, the Company issued the Chang Family Trust a two-year warrant to purchase 114,286 shares of its common stock at an exercise price of $1.75 per share. The relative fair value of this warrant was recorded as a debt discount on the Company’s balance sheet and partially offsets the total balance due for loans payable. The warrants were exercised in full in December 2017 and are no longer outstanding.

On January 21, 2016, the Company entered into a second loan agreement with the Chang Family Trust. Pursuant to this loan agreement, the Company obtained a $500 unsecured loan, which initially had a 24-month term at a fixed interest rate of 5% per annum. Under this loan agreement, the Company will pay $500 of principal plus all accrued and unpaid interest at maturity. The Company may prepay the notes at any time prior to maturity without penalty. The notes must be repaid prior to maturity in the event of default, and the Company agreed not to incur additional indebtedness in excess of $50 without the lender’s prior consent, which is not to be unreasonably withheld. In connection therewith, the Company issued the Chang Family Trust a two-year warrant to purchase 114,286 shares of its common stock at an exercise price of $1.75 per share. The relative fair value of this warrant was recorded as a debt discount on the Company’s balance sheet and partially offsets the total balance due for loans payable. The warrants were exercised in full in December 2017 and are no longer outstanding.

On May 2, 2017, the Company entered into an amendment regarding the outstanding promissory notes and warrants issued in January 2016 to the Chang Family Trust. As amended, the maturity date for each note has now been extended by 12 months to January 2019, and the interest rate on the $500 note has been increased to 10.0% per annum for the final 12 months of its term. In each case, interest will accrue on the unpaid principal and accrued interest as of the original two-year maturity date in the final year term of the notes. The other terms of the notes remain unchanged. Additionally, as issued, the warrants were not exercisable, absent receipt of stockholder approval, if after such exercise the holder would be the beneficial owner of more than 19.99% of the Company’s common stock. This condition was removed by the amendments, and accordingly, stockholder approval is no longer required. In connection with the foregoing amendment, the Company issued the Chang Family Trust a warrant to purchase 134,616 shares of its common stock at an exercise price of $2.60 per share. In accordance with FASB ASC 815, these warrants were classified within permanent equity. The warrant expires January 21, 2022, three years after the latest maturity date of the promissory notes, as amended. As part of the amendment, the fair value of the warrants were considered in the calculation when determining whether this amendment resulted in a modification or extinguishment of the original loans in accordance with FASB ASC 470, the Company recorded the amendment as an extinguishment of the original loans which resulted in a loss on extinguishment of $179 as recorded in the statements of operations. In October 2018, the Company paid these loans, and all associated interest in full. In addition, in October 2018, the holder exercised the warrant in full for 134,616 shares of common stock and it is no longer outstanding.

On November 21, 2016, the Company entered into a loan agreement with Glenn J. Krevlin, one of its significant stockholders. Pursuant to the loan agreement, the Company obtained a $250 unsecured loan for a 24-month term at a fixed interest rate of 10% per annum. Under the loan agreement, the Company will pay $250 of principal plus all accrued but unpaid interest at maturity. The notes may be prepaid at any time prior to maturity without penalty. The notes must be repaid prior to maturity in the event of default. In connection therewith, the Company issued the accredited investor a two-year warrant to purchase 28,378 shares of common stock at an exercise price of $1.85 per share. The warrants were not able to be exercised absent receipt of stockholder approval if after such exercise the holder would be the beneficial owner of more than 9.99% of the Company’s common stock. The relative fair value of this warrant was recorded as a debt discount on the Company’s balance sheet and partially offsets the total balance due for loans payable. The warrants were exercised in full in January 2018. In August 2018, the Company paid the entire principal amount of the loan and accrued interest totaling $294,000 through the issuance of 12,943 shares of its common stock.

Other Loans

On March 31, 2016, the Company entered into a loan agreement with an accredited investor. Pursuant to the loan agreement, the Company obtained a $700 unsecured loan for a 24-month term at a fixed interest rate of 10% per annum. Under the loan agreement, the Company will pay $700 of principal plus all accrued but unpaid interest at maturity. The notes may be prepaid at any time prior to maturity without penalty. The notes must be repaid prior to maturity in the event of default. In connection therewith, the Company issued the accredited investor a two-year warrant to purchase 79,459 shares of common stock at an exercise price of $1.85 per share. The warrants were not able to be exercised absent receipt of stockholder approval if after such exercise the holder would be the beneficial owner of more than 4.99% of the Company’s common stock. The relative fair value of this warrant was recorded as a debt discount on the Company’s balance sheet and partially offsets the total balance due for loans payable. The warrants were exercised in full in November 2017. During the quarter ended March 31, 2018, the Company has paid this loan and all associated interest in full.

On April 5, 2016, the Company entered into a loan agreement with an accredited investor. Pursuant to the loan agreement, the Company obtained a $160 unsecured loan for a 24-month term at a fixed interest rate of 10% per annum. Under the loan agreement, the Company will pay $160 of principal plus all accrued but unpaid interest at maturity. The notes may be prepaid at any time prior to maturity without penalty. The notes must be repaid prior to maturity in the event of default. In connection therewith, the Company issued the accredited investor a two-year warrant to purchase 18,162 shares of common stock at an exercise price of $1.85 per share. The warrants may not be exercised absent receipt of stockholder approval if after such exercise the holder would be the beneficial owner of more than 4.99% of the Company’s common stock. The relative fair value of this warrant was recorded as a debt discount on the Company’s balance sheet and partially offsets the total balance due for loans payable. The warrants were fully exercised as of December 31, 2017. In April 2018, the Company paid this loan and all associated interest in full.

On May 20, 2016, the Company entered into a loan agreement with an accredited investor. Pursuant to the loan agreement, the Company obtained a $80 unsecured loan for a 24-month term at a fixed interest rate of 10% per annum. Under the loan agreement, the Company will pay $80 of principal plus all accrued but unpaid interest at maturity. The notes may be prepaid at any time prior to maturity without penalty. The notes must be repaid prior to maturity in the event of default. In connection therewith, the Company issued the accredited investor a two-year warrant to purchase 9,081 shares of common stock at an exercise price of $1.85 per share. The warrants may not be exercised absent receipt of stockholder approval if after such exercise the holder would be the beneficial owner of more than 4.99% of the Company’s common stock. The relative fair value of this warrant was recorded as a debt discount on the Company’s balance sheet and partially offsets the total balance due for loans payable. The warrants were partially exercised in December 2017 for an aggregate of 7,323 shares of our common stock with the remainder being exercised in March 2018. In May 2018, the Company paid this loan and all associated interest in full.

The Company uses the Black-Scholes pricing model to determine the fair value of warrants. The fair value of each warrant is estimated on the date of grant. There were no warrants issued during the three or nine months ended September 30, 2018 or during the three months ended September 30, 2017. The fair value of warrants issued in conjunction with the related party loans or during the three and nine months ended September 30, 2017 was $288. The fair value of the warrants granted is estimated on the date of grant using the Black-Scholes pricing model and the following assumptions for the periods presented:

	Nine months ended September 30, 2017
Expected term (in years)		4.75
Risk-free interest rate		1.27	%
Expected volatility		104.6	%
Expected dividend rate		0	%

On July 8, 2016, the Company entered into an additional software license financing agreement with Ascentium Capital, LLC. Pursuant to the agreement, the Company obtained a $74 loan for a 36-month term at a fixed interest rate of 8.9% per annum. Under the loan agreement, the Company agreed to make monthly payments of $2.4 of principal and accrued interest. The loan may be prepaid at any time prior to maturity without penalty. The agreement provides for customary events of default. In August 2018, the Company paid this loan and all associated interest in full.

On July 11, 2016, the Company entered into a secured equipment financing agreement with Royal Bank America Leasing, L.P. Pursuant to the agreement, the Company obtained a $140 loan for a 36-month term at a fixed interest rate of 7.3% per annum, which is secured by related equipment. The loan is to be disbursed in three installments. The first installment was for $37. The second installment for $47 will be disbursed in July 2017, and the third installment for $56 will be disbursed in July 2018. Under the loan agreement, the Company will pay $3.5 of principal and accrued interest for each of the first 12 months (July 2016 through July 2017), $4.4 of principal and accrued interest for each of months 13-24 (July 2017 through July 2018), and $5.3 of principal and accrued interest for each of months 25-36 (July 2018 through July 2019). The loan may be prepaid at any time only in accordance with the agreement. The agreement provides for customary events of default. The Company elected not to receive the third installment of this loan, and in July 2018, the Company paid this loan and all associated interest in full.

On October 2, 2016, the Company entered into a secured equipment financing agreement with Ascentium Capital, LLC. Pursuant to the agreement, the Company obtained a $33 loan for a 36-month term at a fixed interest rate of 9.1% per annum. Under the loan agreement, the Company agreed to make monthly payments of $1.0 of principal and accrued interest. The loan may be prepaid at any time prior to maturity without penalty. The agreement provides for customary events of default. In August 2018, the Company paid this loan and all associated interest in full.

On April 1, 2017, the Company entered into a software license financing agreement with Ascentium Capital, LLC. Pursuant to the agreement, the Company obtained a $63 loan for a 12-month term at a fixed interest rate of 10.3% per annum to finance its upfront software licensing fee. The Company agreed to pay $5.6 of principal and accrued interest for each month of the term. The loan may be prepaid at any time prior to maturity without penalty. The agreement provides for customary events of default. In April 2018, the Company repaid this loan and it is no longer outstanding.

For the three months ended September 30, 2018 and 2017, interest expense was $75 and $117, respectively, which included amortization of the debt discount of $6 and $17, respectively. For the nine months ended September 30, 2018 and 2017, interest expense was $263 and $348, respectively, which included amortization of debt discount of $22 and $138, respectively.

Indemnification Obligations

The Company enters into agreements with customers, partners, lenders, consultants, lessors, contractors, sales representatives and parties to certain transactions in the ordinary course of the Company’s business. These agreements may require the Company to indemnify the other party against third party claims alleging that its product infringes a patent or copyright. Certain of these agreements require the Company to indemnify the other party against losses arising from: a breach of representations or covenants, claims relating to property damage, personal injury or acts or omissions of the Company, its employees, agents or representatives. The Company has also agreed to indemnify the directors and certain of the officers and employees in accordance with the by-laws of the Company. These indemnification provisions will vary based upon the nature and terms of the agreements. In many cases, these indemnification provisions do not contain limits on the Company’s liability, and the occurrence of contingent events that will trigger payment under these indemnities is difficult to predict. As a result, the Company cannot estimate its potential liability under these indemnities. The Company believes that the likelihood of conditions arising that would trigger these indemnities is remote and, historically, the Company had not made any significant payment under such indemnification provisions. Accordingly, the Company has not recorded any liabilities relating to these agreements. In certain cases, the Company has recourse against third parties with respect to the aforesaid indemnities, and the Company believes it maintains adequate levels of insurance coverage to protect the Company with respect to potential claims arising from such agreements.

Stock Option Plan

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Option Plan

8.	Stock Option Plan

The Company’s stock-based compensation program is designed to attract and retain employees while also aligning employees' interests with the interests of its stockholders. Stock options have been granted to employees under the stockholder-approved 2007 Key Person Stock Option Plan (“2007 Plan”) or the stockholder-approved 2014 Stock Incentive Plan (“2014 Plan”). Stockholder approval of the 2014 Plan became effective in September 2014. The 2014 Plan originally provided that the aggregate number of shares of common stock that may be issued pursuant to awards granted under the 2014 Plan may not exceed 450,000 shares (the “Share Reserve”), however in October 2015, the stockholders approved a 1,500,000 increase to the Share Reserve. In addition, the Share Reserve automatically increases on January 1st of each year, for a period of not more than 10 years, beginning on January 1st of the year following the year in which the 2014 Plan became effective and ending on (and including) January 1, 2024, in an amount equal to 4% of the total number of shares of common stock outstanding on December 31st of the preceding calendar year. The Company’s Board of Directors may act prior to January 1st of a given year to provide that there will be no January 1st increase in the Share Reserve for such year or that the increase in the Share Reserve for such year will be a lesser number of shares of common stock than would otherwise occur. On January 1, 2015, the Share Reserve increased by 188,640 shares due to the automatic 4% increase. On January 1, 2016, the Share Reserve increased by 204,943 shares due to the automatic 4% increase. On January 1, 2017, the Share Reserve increased by 204,943 shares due to the automatic 4% increase. On January 1, 2018, the Share Reserve increased by 235,090 shares due to the automatic 4% increase. The Share Reserve is currently 2,783,616 shares for the quarter ended September 30, 2018.

In light of stockholder approval of the 2014 Plan, the Company no longer grants equity awards under the 2007 Plan. As of September 30, 2018, 0 shares of an aggregate total of 407,500 shares were available for future stock-based compensation grants under the 2007 Plan and 987,337 shares of an aggregate total of 2,783,616 shares were available for future stock-based compensation grants under the 2014 Plan.

Aggregate intrinsic value represents the difference between the closing market value as of September 30, 2018 of the underlying common stock and the exercise price of outstanding, in-the-money options. A summary of the Company’s stock option activity and related information for the nine months ended September 30, 2018 is as follows:

	Options Outstanding
	Number of Stock Options Outstanding			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (In Years)		Aggregate Intrinsic Value (in thousands)
Balance, January 1, 2018		1,855,138		$	2.69		7.48	$	9,850
Options granted		135,000			8.00
Options exercised		(216,193	)		2.03
Options forfeited/canceled		(6,410	)		3.44
Balance, September 30, 2018		1,768,012		$	3.17		7.09	$	57,330
Exercisable as of September 30, 2018		1,452,400		$	2.83		6.81	$	47,589

The total compensation cost related to unvested stock option awards not yet recognized was $1,097 as of September 30, 2018. The weighted average period over which the total unrecognized compensation cost related to these unvested stock awards will be recognized is 2.05 years. The weighted average fair value of options granted during the nine months ended September 30, 2018 and 2017 was $5.97 and $1.54 per share, respectively, or an aggregate grant date fair value of $806 and $269, respectively.

On January 2, 2018 the Compensation Committee of the Company’s Board of Directors granted, and the full Board ratified, an option to acquire an aggregate of 125,000 shares under the 2014 Plan to the Company’s CEO. This option vests 25% on the one-year anniversary of the grant date and monthly thereafter for 36 months, such that the option is vested in full on the four-year anniversary of the grant date. On January 2, 2018 the Company’s Compensation Committee granted, and the full Board ratified, options to each of the then-seated non-employee Directors to acquire 5,000 shares, for an aggregate of 10,000 shares, under the 2014 Plan. These options vest on the one-year anniversary of their grant date. On February 28, 2018 the Compensation Committee of the Company’s Board of Directors accelerated the vesting on stock options issued to consultants such that all unvested shares were vested on that date. This resulted in a one-time expense of $39 during the nine months ended September 30, 2018.

Determining the Fair Value of Stock Options

The Company uses the Black-Scholes pricing model to determine the fair value of stock options. The fair value of each option grant is estimated on the date of the grant. There were no stock options granted during the three months ended September 30, 2018 or 2017. The following assumptions for the periods presented were:

	Nine months ended September 30,
	2018			2017
Expected term (in years)		5			5
Risk-free interest rate		2.2	%		1.94 – 2.02	%
Expected volatility		99.0	%		104.0 – 106.2	%
Expected dividend rate		-	%		-	%

The assumptions are based on the following for each of the periods presented:

Valuation Method — The Company estimates the fair value of its stock options using the Black-Scholes option pricing model.

Expected Term — The Company estimates the expected term consistent with the simplified method identified by the SEC. The Company elected to use the simplified method because of its limited history of stock option exercise activity and its stock options meet the criteria of the “plain-vanilla” options as defined by the SEC. The simplified method calculates the expected term as the average of the vesting and contractual terms of the award.

Volatility — Because the Company has limited trading history by which to determine the volatility of its own common stock price, the expected volatility being used is derived from the historical stock volatilities of a representative industry peer group of comparable publicly listed companies over a period approximately equal to the expected term of the options.

Risk-free Interest Rate — The risk-free interest rate is based on median U.S. Treasury zero coupon issues with remaining terms similar to the expected term on the options.

Expected Dividend — The Company has never declared or paid any cash dividends and does not plan to pay cash dividends in the foreseeable future, and therefore, used an expected dividend yield of zero in the valuation model.

Forfeiture — Beginning in the first quarter of 2017, the Company implemented ASU 2016-09, and elected to true-up calculations at the time of forfeiture, rather than creating an estimate at the time of option issuance.

The Company has recorded an expense of $139 and $89 as it relates to stock-based compensation for the three months ended September 30, 2018 and 2017, respectively. The Company has recorded an expense of $470 and $253 as it relates to stock-based compensation for the nine months ended September 30, 2018 and 2017, respectively:

	Three months ended September 30,				Nine months ended September 30
	2018		2017		2018		2017
Cost of Revenue	$	1	$	1	$	1	$	1
Engineering and Product Development		9		12		26		36
Sales and Marketing		23		24		74		70
General and Administrative		106		52		369		146
Total	$	139	$	89	$	470	$	253

Net Income (Loss) Per Share, Basic and Diluted

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Net Income (Loss) Per Share, Basic and Diluted

Net Income (Loss) Per Share, Basic and Diluted

Basic earnings (loss) per share (“EPS”) represent net income (loss) attributable to common shareholders divided by the weighted average number of common shares outstanding during the measurement period. Diluted EPS represents net income attributable to common shareholders divided by the weighted average number of common shares outstanding during the measurement period while also giving effect to all potentially dilutive common shares that were outstanding during the period using the treasury stock method.

Basic and diluted net EPS is calculated as follows:

	Three months ended September 30,
	2018						2017
	Shares		Net Income		EPS		Shares		Net Income			EPS
Basic EPS		6,086,489	$	1,468	$	0.24		5,463,568	$	(41	)	$	(0.01	)
Common stock warrants		354,420		-				-		-
Common stock options		1,486,879		-				-		-
Diluted EPS		7,927,788	$	1,468	$	0.19		5,463,568	$	(41	)	$	(0.01	)

	Nine months ended September 30,
	2018						2017
	Shares		Net Income		EPS		Shares		Net Income			EPS
Basic EPS		5,998,460	$	3,626	$	0.60		5,346,178	$	(1,763	)	$	(0.33	)
Common stock warrants		308,529		-				-		-
Common stock options		1,304,972		-				-		-
Diluted EPS		7,611,961	$	3,626	$	0.48		5,346,178	$	(1,763	)	$	(0.33	)

The following weighted average shares outstanding of common stock equivalents were excluded from the computation of diluted net loss per share for the three and nine months ended September 30, 2018 and 2017 because including them would have been anti-dilutive:

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Weighted average shares outstanding:
Common stock warrants		-		885,982		-		780,566
Options		-		1,919,100		-		2,105,235
Total		-		2,805,082		-		2,885,801

Subsequent Events

9 Months Ended

Sep. 30, 2018

Subsequent Events [Abstract]

Subsequent Events

10.

Subsequent Events

In October 2018, the Company paid in full the outstanding loans having an aggregate principal amount of $1,500 held by the Chang Family Trust that were originally issued in January 2016 and amended in May 2017. Also in October 2018, the Chang Family Trust exercised warrants to acquire an aggregate of 134,616 shares of common stock for $350 of cash.

Summary of Significant Accounting Policies and Estimates (Policies)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

Accounting Pronouncements Recently Adopted

Accounting Pronouncements Not Yet Adopted

Assets for Lease, net (Tables)

9 Months Ended

Sep. 30, 2018

Leases, Capital [Abstract]

Schedule of assets for lease

	September 30, 2018			December 31, 2017

Assets for lease	$	1,956		$	1,847
Less: accumulated depreciation		(911	)		(700	)
Assets for lease, net	$	1,045		$	1,147

Property and Equipment, net (Tables)

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Schedule of property and equipment, net

	September 30, 2018			December 31, 2017

Capital assets	$	448		$	322
Less: accumulated depreciation		(203	)		(129	)
Capital assets, net	$	245		$	193

Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2018

Accrued Liabilities, Current [Abstract]

Schedule of accrued expenses

	September 30, 2018		December 31, 2017

Compensation (1)	$	1,943	$	2,275
Board of directors fees (2)		15		148
Miscellaneous accruals		301		247
Total accrued expenses	$	2,259	$	2,670

Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loans Payable

	September 30, 2018				December 31, 2017
Lender	Long-term		Short-term		Long-term		Short-term
Loans from Related Parties
Chang Family Trust	$	-	$	1,260	$	1,126	$	-
Chang Family Trust		-		578		516		-
Glenn J. Krevlin		-		-		-		250

Other Loans
Accredited Investor		-		-		-		700
Accredited Investor		-		-		-		160
Accredited Investor		-		-		-		80
Ascentium Capital, LLC		-		-		-		22
Ascentium Capital, LLC		-		-		16		26
Royal Bank America Leasing, L.P.		-		-		-		28
Ascentium Capital, LLC		-		-		10		11

Total		-		1,838		1,668		1,277
Debt Discounts		-		-		-		(22	)
Total, net of debt discounts	$	-	$	1,838	$	1,668	$	1,255

Schedule of relative fair value of the warrants granted using the Black-Scholes pricing model

	Nine months ended September 30, 2017
Expected term (in years)		4.75
Risk-free interest rate		1.27	%
Expected volatility		104.6	%
Expected dividend rate		0	%

Stock Option Plan (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock option activity

	Options Outstanding
	Number of Stock Options Outstanding			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (In Years)		Aggregate Intrinsic Value (in thousands)
Balance, January 1, 2018		1,855,138		$	2.69		7.48	$	9,850
Options granted		135,000			8.00
Options exercised		(216,193	)		2.03
Options forfeited/canceled		(6,410	)		3.44
Balance, September 30, 2018		1,768,012		$	3.17		7.09	$	57,330
Exercisable as of September 30, 2018		1,452,400		$	2.83		6.81	$	47,589

Schedule of weighted-average Black-Scholes fair value assumptions

	Nine months ended September 30,
	2018			2017
Expected term (in years)		5			5
Risk-free interest rate		2.2	%		1.94 – 2.02	%
Expected volatility		99.0	%		104.0 – 106.2	%
Expected dividend rate		-	%		-	%

Schedule of stock-based compensation

	Three months ended September 30,				Nine months ended September 30
	2018		2017		2018		2017
Cost of Revenue	$	1	$	1	$	1	$	1
Engineering and Product Development		9		12		26		36
Sales and Marketing		23		24		74		70
General and Administrative		106		52		369		146
Total	$	139	$	89	$	470	$	253

Net Income (Loss) Per Share, Basic and Diluted (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of basic and diluted net EPS

	Three months ended September 30,
	2018						2017
	Shares		Net Income		EPS		Shares		Net Income			EPS
Basic EPS		6,086,489	$	1,468	$	0.24		5,463,568	$	(41	)	$	(0.01	)
Common stock warrants		354,420		-				-		-
Common stock options		1,486,879		-				-		-
Diluted EPS		7,927,788	$	1,468	$	0.19		5,463,568	$	(41	)	$	(0.01	)

	Nine months ended September 30,
	2018						2017
	Shares		Net Income		EPS		Shares		Net Income			EPS
Basic EPS		5,998,460	$	3,626	$	0.60		5,346,178	$	(1,763	)	$	(0.33	)
Common stock warrants		308,529		-				-		-
Common stock options		1,304,972		-				-		-
Diluted EPS		7,611,961	$	3,626	$	0.48		5,346,178	$	(1,763	)	$	(0.33	)

Schedule of weighted average shares outstanding excluded from the computation of diluted net loss per share

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Weighted average shares outstanding:
Common stock warrants		-		885,982		-		780,566
Options		-		1,919,100		-		2,105,235
Total		-		2,805,082		-		2,885,801

Going Concern (Detail Textuals) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Going Concern [Abstract]
Working capital deficit	$ 1,019
Cash	3,087	$ 1,457	$ 578	$ 622
Stockholders' equity	$ 2,312	$ (2,583)

Assets for Lease, net - Summary of assets for lease (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Leases, Capital [Abstract]
Assets for lease	$ 1,956	$ 1,847
Less: accumulated depreciation	(911)	(700)
Assets for lease, net	$ 1,045	$ 1,147

Assets for Lease, net (Detail Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Leases, Capital [Abstract]
Depreciation expense	$ 97	$ 81	$ 296	$ 266
Reduction to accumulated depreciation for returned items	24	30	85	121
Loss on disposal of assets for lease	$ 43	$ 58	$ 150	$ 200

Property and Equipment, net (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Capital assets	$ 448	$ 322
Less: accumulated depreciation	(203)	(129)
Capital assets, net	$ 245	$ 193

Property and Equipment, net (Detail Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 27	$ 47	$ 77	$ 143

Accrued Expenses - Summary of accrued expenses (Details) - USD ($)
$ in Thousands

Sep. 30, 2018

Dec. 31, 2017

Accrued Liabilities, Current [Abstract]

Compensation

^[1]

$ 1,943

$ 2,275

Board of directors fees

^[2]

148

Miscellaneous accruals

301

247

Total accrued expenses

$ 2,259

$ 2,670

[1]

The balance of accrued compensation includes normal accruals for commissions, bonuses, paid time off and other accrued payroll items. In addition, three employees, including the Company's Chief Executive Officer ("CEO"), agreed to further defer amounts accrued to them as of December 31, 2017. The Company agreed to further delay and continue to accrue these amounts and increase the balance owed by 1% per month beginning January 1, 2017 to no later than January 31, 2019. As of September 30, 2018, these deferred amounts plus additional 1% accruals owed were paid in full and the balance was $0.

[2]

Two members of the Company's board of directors agreed to further defer fees earned from August 2016 to July 2017. The Company agreed to further delay and continue to accrue these amounts and increase the balance owed by 1% per month beginning January 1, 2018 to no later than January 1, 2019. As of September 30, 2018, these deferred amounts plus additional 1% accruals were paid in full and the balance was $0.

Accrued Expenses (Detail Textuals) $ in Thousands	9 Months Ended
Accrued Expenses (Detail Textuals) $ in Thousands	Sep. 30, 2018 USD ($)
Accrued Liabilities, Current [Abstract]
Percentage increase in balance owed per month	1.00%
Deferred amounts plus additional 1% accruals	$ 0

Concentration of Credit Risk (Detail Textuals) - Customer concentration risk - Customer	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Revenue
Concentration Risk [Line Items]
Number of customers	2	2	2	1
Revenue \| Customer one
Concentration Risk [Line Items]
Concentration risk percentage	51.80%	51.10%	53.10%	52.00%
Revenue \| Customer two
Concentration Risk [Line Items]
Concentration risk percentage	22.20%	14.90%	19.40%
Accounts receivable
Concentration Risk [Line Items]
Number of customers			2		2
Accounts receivable \| Customer one
Concentration Risk [Line Items]
Concentration risk percentage			47.60%		56.60%
Accounts receivable \| Customer two
Concentration Risk [Line Items]
Concentration risk percentage			40.10%		23.90%

Commitments and Contingencies (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term, Total	$ 0	$ 1,668
Long-term, Debt Discounts	0	0
Long-term, Total, net of debt discounts	0	1,668
Short-term, Total	1,838	1,277
Short-term, Debt Discounts	0	(22)
Short-term, Total, net of debt discounts	1,838	1,255
Chang Family Trust
Debt Instrument [Line Items]
Long-term, Total	0	1,126
Short-term, Total	1,260	0
Chang Family Trust
Debt Instrument [Line Items]
Long-term, Total	0	516
Short-term, Total	578	0
Glen J. Krevlin
Debt Instrument [Line Items]
Long-term, Total	0	0
Short-term, Total	0	250
Accredited investor
Debt Instrument [Line Items]
Long-term, Total	0	0
Short-term, Total	0	700
Accredited Investor
Debt Instrument [Line Items]
Long-term, Total	0	0
Short-term, Total	0	160
Accredited Investor
Debt Instrument [Line Items]
Long-term, Total	0	0
Short-term, Total	0	80
Ascentium Capital, LLC
Debt Instrument [Line Items]
Long-term, Total	0	0
Short-term, Total	0	22
Ascentium Capital, LLC
Debt Instrument [Line Items]
Long-term, Total	0	16
Short-term, Total	0	26
Royal Bank America Leasing, L.P.
Debt Instrument [Line Items]
Long-term, Total	0	0
Short-term, Total	0	28
Ascentium Capital, LLC
Debt Instrument [Line Items]
Long-term, Total	0	10
Short-term, Total	$ 0	$ 11

Commitments and Contingencies (Details 1)	9 Months Ended
Commitments and Contingencies (Details 1)	Sep. 30, 2017
Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term	4 years 9 months
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	1.27%
Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	104.60%
Expected dividend rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.00%

Commitments and Contingencies (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Loans Payable [Abstract]
lease expenses	$ 17	$ 17	$ 52	$ 50

Commitments and Contingencies (Detail Textuals 1) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended					9 Months Ended
	May 02, 2017	Apr. 05, 2016	Jan. 15, 2016	Aug. 31, 2018	Nov. 21, 2016	May 20, 2016	Mar. 31, 2016	Jan. 21, 2016	Sep. 30, 2017	Oct. 31, 2018
Debt Instrument [Line Items]
Loss on extinguishment of debt									$ (179)
Chang Family Trust \| Subsequent Events
Debt Instrument [Line Items]
Number of common stock issued against warrants exercised										134,616
Unsecured loan \| Loan Agreement \| Accredited investor
Debt Instrument [Line Items]
Amount of loan obtained		$ 160				$ 80	$ 700
Term of loan		24 months				24 months	24 months
Percentage of interest rates		10.00%				10.00%	10.00%
Monthly principal plus accrued interest payment		$ 160				$ 80	$ 700
Warrant term		2 years				2 years	2 years
Number of common stock issued against warrants exercised		18,162				9,081	79,459
Exercise price per warrants		$ 1.85				$ 1.85	$ 1.85
Minimum percentage holding required by holder to retain exercising rights		more than 4.99				more than 4.99	more than 4.99
Number of warrant issued to purchase common stock						7,323
Unsecured loan \| Loan Agreement \| Glen J. Krevlin
Debt Instrument [Line Items]
Amount of loan obtained					$ 250
Term of loan					24 months
Percentage of interest rates					10.00%
Monthly principal plus accrued interest payment					$ 250
Warrant term					2 years
Number of common stock issued against warrants exercised					28,378
Exercise price per warrants					$ 1.85
Minimum percentage holding required by holder to retain exercising rights					more than 9.99
Principal amount of the loan and accrued interest				$ 294,000
Issuance of common stock for principal amount of the loan and accrued interest				12,943
Unsecured loan \| Loan Agreement \| Chang Family Trust
Debt Instrument [Line Items]
Amount of loan obtained			$ 1,000					$ 500
Term of loan			24 months					24 months
Percentage of interest rates			10.00%					5.00%
Monthly principal plus accrued interest payment			$ 1,000					$ 500
Additional indebtness			$ 50					$ 50
Warrant term			2 years					2 years
Number of common stock issued against warrants exercised			114,286					114,286
Exercise price per warrants			$ 1.75					$ 1.75
Unsecured loan \| Amended loan agreement \| Chang Family Trust
Debt Instrument [Line Items]
Term of loan	2 years
Warrant term	3 years
Number of common stock issued against warrants exercised	134,616
Exercise price per warrants	$ 2.60
Specific portion of notes on which rate of interest increased	$ 500
Rate of interest charged on specific portion of note	10.00%
Minimum percentage holding required by holder to retain exercising rights	more than 19.99
Loss on extinguishment of debt	$ 179

Commitments and Contingencies (Detail Textuals 2) - USD ($)					3 Months Ended		9 Months Ended
	Apr. 01, 2017	Oct. 02, 2016	Jul. 11, 2016	Jul. 08, 2016	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Debt Instrument [Line Items]
Fair value of warrants with promissory notes						$ 288,000		$ 288,000
Interest expense					$ 75,000	117,000	$ 263,000	348,000
Amortization of debt discount					$ 6,000	$ 17,000	$ 22,000	$ 138,000
Software license financing agreement \| Ascentium Capital, LLC
Debt Instrument [Line Items]
Amount of loan obtained	$ 63,000			$ 74,000
Term of loan	12 months			36 months
Percentage of interest rates	10.30%			8.90%
Loan principal and interest payment	$ 5,600			$ 2,400,000
Secured equipment financing agreement \| Royal Bank America Leasing, L.P.
Debt Instrument [Line Items]
Amount of loan obtained			$ 140,000
Term of loan			36 months
Percentage of interest rates			7.30%
First installment			$ 37,000
Second installment disbursed in July 2017			47,000
Third installment disbursed in July 2018			56,000
Secured equipment financing agreement \| Royal Bank America Leasing, L.P. \| July 2016 through July 2017
Debt Instrument [Line Items]
Third installment disbursed in July 2018			3,500
Secured equipment financing agreement \| Royal Bank America Leasing, L.P. \| July 2017 through July 2018
Debt Instrument [Line Items]
Third installment disbursed in July 2018			4,400
Secured equipment financing agreement \| Royal Bank America Leasing, L.P. \| July 2018 through July 2019
Debt Instrument [Line Items]
Third installment disbursed in July 2018			$ 5,300
Secured equipment financing agreement \| Ascentium Capital, LLC
Debt Instrument [Line Items]
Amount of loan obtained		$ 33,000
Term of loan		36 months
Percentage of interest rates		9.10%
Loan principal and interest payment		$ 1,000

Stock Option Plan - Summary of stock-based compensation activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Number of Stock Options Outstanding
Balance, January 1, 2018	1,855,138
Options granted	135,000
Options exercised	(216,193)
Options forfeited/canceled	(6,410)
Balance, September 30, 2018	1,768,012	1,855,138
Exercisable as of September 30, 2018	1,452,400
Weighted Average Exercise Price
Balance, January 1, 2018	$ 2.69
Options granted	8.00
Options exercised	2.03
Options forfeited/canceled	3.44
Balance, September 30, 2018	3.17	$ 2.69
Exercisable as of September 30, 2018	$ 2.83
Weighted Average Remaining Contractual Term, Options Outstanding (in years)	7 years 1 month 2 days	7 years 5 months 23 days
Weighted Average Remaining Contractual Term, Options Exercisable (in years)	6 years 9 months 22 days
Aggregate Intrinsic Value, Options Outstanding	$ 57,330	$ 9,850
Aggregate Intrinsic Value, Options Exercisable	$ 47,589

Stock Option Plan - Weighted-average Black-Scholes fair value assumptions (Details 1)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	5 years	5 years
Risk free interest rate	2.20%
Expected volatility	99.00%
Expected dividend rate	0.00%	0.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk free interest rate		1.94%
Expected volatility		104.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk free interest rate		2.02%
Expected volatility		106.20%

Stock Option Plan - Stock-based compensation (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 139	$ 89	$ 470	$ 253
Cost of Revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	1	1	1	1
Engineering and Product Development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	9	12	26	36
Sales and Marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	23	24	74	70
General and Administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 106	$ 52	$ 369	$ 146

Stock Option Plan (Detail Textuals) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended					3 Months Ended		9 Months Ended
	Jan. 02, 2018	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016	Oct. 31, 2015	Jan. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to non-vested stock options							$ 1,097		$ 1,097
Weighted average period of unvested stock awards									2 years 18 days
Weighted average grant date fair value of options granted									$ 5.97	$ 1.54
Aggregate grant date fair value									$ 806	$ 269
One-time expense									39
Stock-based compensation expense							$ 139	$ 89	$ 470	$ 253
2007 Key Person Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future stock-based compensation grants							0		0
Aggregate number of common shares reserved for future issuance							407,500		407,500
2014 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future stock-based compensation grants							987,337		987,337
Aggregate number of common shares reserved for future issuance							2,783,616		2,783,616
2014 Stock Incentive Plan \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares issued pursuant to awards granted under plan							450,000		450,000
Maximum term of stock option grants					10 years
Number of share reserve increased		235,090	204,943	204,943	1,500,000	188,640
Percentage of shares reserve increased		4.00%	4.00%	4.00%	4.00%	4.00%
2014 Stock Incentive Plan \| Stock options \| CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future stock-based compensation grants	125,000
Percentage of shares vested on one year anniversary	25.00%
Number of years in options fully vested	4 years
2014 Stock Incentive Plan \| Stock options \| Non Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future stock-based compensation grants	5,000
Maximum number of shares issued pursuant to awards granted under plan	10,000
Number of years in options fully vested	1 year

Net Income (Loss) Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Basic EPS (in shares)	6,086,489	5,463,568	5,998,460	5,346,178
Common stock warrants (in shares)	354,420	0	308,529	0
Common stock options (in shares)	1,486,879	0	1,304,972	0
Diluted EPS (in shares)	7,927,788	5,463,568	7,611,961	5,346,178
Net Income - Basic EPS	$ 1,468	$ (41)	$ 3,626	$ (1,763)
Net Income - Common stock warrants	0	0	0	0
Net Income - Common stock options	0	0	0	0
Net Income - Diluted EPS	$ 1,468	$ (41)	$ 3,626	$ (1,763)
Basic EPS (in dollars per share)	$ 0.24	$ (0.01)	$ 0.60	$ (0.33)
Diluted EPS (in dollars per share)	$ 0.19	$ (0.01)	$ 0.48	$ (0.33)

Net Income (Loss) Per Share, Basic and Diluted (Details 1) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Weighted average shares outstanding:
Total	0	2,805,082	0	2,885,801
Common stock warrants
Weighted average shares outstanding:
Total	0	885,982	0	780,566
Options
Weighted average shares outstanding:
Total	0	1,919,100	0	2,105,235

Subsequent Events (Detail Textuals) - Subsequent Events - Chang Family Trust $ in Thousands	1 Months Ended
	Oct. 31, 2018 USD ($) shares
Subsequent Event [Line Items]
Outstanding aggregate principal amount	$ 1,500
Number of common stock issued against warrants exercised \| shares	134,616
Common stock issued for cash	$ 350