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Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2014	Apr. 28, 2014
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	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		4,708,017
Document Type	10-Q
Document Period End Date	Mar. 31, 2014
Amendment Flag	false
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1

Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Revenue	$ 837	$ 429
Operating expenses:
Cost of revenue	155	86
Engineering and product development	229	98
Sales and marketing	746	494
General and administrative	497	293
Total operating expenses	1,627	971
Loss from operations	(790)	(542)
Other expense:
Interest expense	(26)	(28)
Other expense	(1)	(1)
Other expense	(27)	(29)
Net loss	$ (817)	$ (571)
Net loss per share, basic and diluted (in dollars per share)	$ (0.36)	$ (0.73)
Weighted average number of shares used in computing basic and diluted loss per share (in shares)	2,240,703	786,750

Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash	$ 7,612	$ 734
Trade accounts receivable, net of allowance for doubtful accounts of $28 and $15, respectively	157	228
Prepaid expenses and other current assets	223	47
Total current assets	7,992	1,009
Assets for lease, net	565	512
Property and equipment, net	5	1
Deferred financing costs	179	202
Total assets	8,741	1,724
Current liabilities:
Accounts payable	139	255
Accrued expenses	1,185	1,128
Deferred revenue	234	366
Equipment on lease, current portion	47	47
Loans payable, current portion	60	60
Total current liabilities	1,665	1,856
Long-term liabilities:
Equipment on lease, net of current portion	53	65
Loans payable, net of current portion	83	98
Total long-term liabilities	136	163
Stockholders' equity (deficit):
Common stock, $0.001 par value; 50,000,000 shares authorized; 4,733,017 and 811,750 shares issued, and 4,708,017 and 786,750 outstanding (net of treasury shares of 25,000 and 25,000), respectively	5	1
Additional paid-in capital	17,104	2,346
Accumulated deficit	(10,169)	(9,352)
Total stockholders' equity (deficit)	6,940	(295)
Total liabilities and stockholders' equity (deficit)	8,741	1,724
Series A Preferred Stock
Stockholders' equity (deficit):
Convertible preferred stock		6,020
Series A-1 Preferred Stock
Stockholders' equity (deficit):
Convertible preferred stock		482
Series A-2 Preferred Stock
Stockholders' equity (deficit):
Convertible preferred stock		$ 208

Condensed Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2014	Dec. 31, 2013
Allowance for doubtful accounts on trade accounts receivable (in dollars)	$ 28	$ 15
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	4,733,017	811,750
Common stock, shares outstanding	4,708,017	786,750
Treasury shares	25,000	25,000
Series A Preferred Stock
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	2,800,000	2,800,000
Convertible preferred stock, shares issued	0	1,468,402
Convertible preferred stock, shares outstanding	0	1,468,402
Convertible preferred stock, liquidation preference (in dollars)	$ 0	$ 6,608
Series A-1 Preferred Stock
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	800,000	800,000
Convertible preferred stock, shares issued	0	293,750
Convertible preferred stock, shares outstanding	0	293,750
Convertible preferred stock, liquidation preference (in dollars)	$ 0	$ 1,175
Series A-2 Preferred Stock
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	400,000	400,000
Convertible preferred stock, shares issued	0	250,000
Convertible preferred stock, shares outstanding	0	250,000
Convertible preferred stock, liquidation preference (in dollars)	$ 0	$ 500

Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (817)	$ (571)
Reconciliation of Net Loss to Net Cash Used in Operating Activities:
Amortization of deferred financing costs	23	22
Depreciation	47	29
Loss on disposal of assets for lease	16	13
Allowance for doubtful accounts	50	19
Stock-based compensation expense		18
Changes in Operating Assets and Liabilities:
Trade accounts receivable	21	(5)
Prepaid expenses and other current assets	(176)	(26)
Accounts payable	(116)	(5)
Accrued expenses	58	61
Deferred revenue	(132)	(3)
Net Cash Used in Operating Activities	(1,026)	(448)
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment	(4)
Purchase of assets for lease	(116)	(13)
Net Cash Used in Investing Activities	(120)	(13)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of common stock	10,010
Offering costs	(1,959)
Payments of loans payable	(15)	(15)
Payments of equipment leases	(12)	(11)
Net Cash Provided by (Used in) Financing Activities	8,024	(26)
INCREASE (DECREASE) IN CASH	6,878	(487)
CASH, BEGINNING OF PERIOD	734	731
CASH, END OF PERIOD	7,612	244
Cash paid for interest	4	$ 6
Supplemental disclosure of noncash financing activity:
Conversion of preferred stock into common stock	$ 6,707

Basis of Presentation

3 Months Ended

Mar. 31, 2014

Basis Of Presentation [Abstract]

Basis of Presentation

1.	Basis of Presentation

Semler Scientific, Inc., a Delaware corporation (“Semler,” “SSI” or “the Company”), prepared the unaudited interim financial statements included in this report in accordance with United States generally accepted accounting principles (“U.S. 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 prospectus filed with the SEC pursuant to Rule 424(b) on February 21, 2014 (the “Prospectus”). The balance sheet as of December 31, 2013 included in this report has been derived from the audited financial statements included in the Prospectus. 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.

Initial Public Offering

In February 2014, the Company completed its initial public offering (“IPO”) in which it issued and sold 1,430,000 shares of its common stock at a public offering price of $7.00 per share. The Company received net proceeds of $7,403,000 after deducting underwriting discounts and commissions of $848,000 and other offering expenses of approximately $1,759,000. The Company incurred $648,000 of the offering expenses in 2013, and incurred $1,959,000 of such expenses in the first quarter of 2014. The Company granted the underwriter an overallotment option to acquire an additional 214,500 shares of its common stock, which expired April 6, 2014 unexercised, and issued the underwriter warrants to acquire an aggregate of 71,500 shares of its common stock at an exercise price of $8.75 per share, which become exercisable February 20, 2015 and expire February 20, 2019. Upon the closing of the IPO, all shares of the Company’s then-outstanding Series A convertible Preferred Stock (1,468,402), Series A-1 convertible Preferred Stock (293,750) and Series A-2 convertible Preferred Stock (250,000) automatically converted into an aggregate of 2,012,152 shares of common stock. In addition, the Company’s then outstanding warrants to acquire an aggregate of 1,067,210 shares of Series A convertible Preferred Stock and 228,656 shares of Series A-1 convertible Preferred Stock were cashlessly exercised at the IPO price for an aggregate of 479,115 shares of common stock. All other outstanding warrants of the Company became exercisable for common stock effective upon the IPO in accordance with their terms.

Assets for Lease

3 Months Ended

Mar. 31, 2014

Leases, Capital [Abstract]

Assets for Lease

2.	Assets for Lease

Assets for lease consist of the following:

	March 31, 2014			December 31, 2013

Assets for lease	$	762		$	688
Less: Accumulated Depreciation		(197	)		(176	)
Assets for lease, net	$	565		$	512

Depreciation expense amounted to $47 and $29 for the three months ended March 31, 2014 and March 31, 2013, respectively. Reduction to accumulated depreciation for returned items was $22 for the three months ended March 31, 2014 and $0 for the three months ended March 31, 2013.

Deferred Financing Costs

3 Months Ended

Mar. 31, 2014

Deferred Finance Costs [Abstract]

Deferred Financing Costs

3.	Deferred Financing Costs

As of March 31, 2014 and December 31, 2013, the balance of deferred financing costs was $179 and $202, respectively. The amounts amortized to interest expense were $23 and $22 for the three months ended March 31, 2014 and March 31, 2013, respectively.

Accrued Expenses

3 Months Ended

Mar. 31, 2014

Accrued Liabilities, Current [Abstract]

Accrued Expenses

4.	Accrued Expenses

Accrued expenses consist of the following:

	March 31, 2014		December 31, 2013

Offering Costs	$	572	$	722
Compensation		352		264
Miscellaneous Accruals		261		142
Total Accrued Expenses	$	1,185	$	1,128

The accumulated offering costs that were accrued pertain to consultant’s fees associated with securing equity financing for the Company.

Commitments and Contingencies

3 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

5.	Commitments and Contingencies

Loan Financing Arrangements:

On February 9, 2011, the Company entered into an Equipment Finance Agreement with U.S. Bancorp Business Equipment Finance Group. Pursuant to the agreement, the Company obtained a $39 secured loan for a 48-month term that has an annual fixed interest rate of 13%. The loan is secured by the related leased equipment. Under the agreement, the Company makes monthly payments consisting of $1 of principal plus any accrued interest. The agreement provides for customary events of default. This loan is personally guaranteed by two Company directors who are principal stockholders. At March 31, 2014 and December 31, 2013, the Company had outstanding borrowings of $10 and $13, respectively.

On May 27, 2011, the Company entered into an Equipment Finance Agreement with U.S. Bancorp Business Equipment Finance Group. Pursuant to the agreement, the Company obtained a $109 secured loan for a 60-month term that has an annual fixed interest rate of 6%. The loan is secured by the related leased equipment. Under the Agreement, the Company makes monthly payments consisting of $2 of principal plus any accrued interest. The Agreement provides for customary events of default. This loan is personally guaranteed by two Company directors who are principal stockholders. At March 31, 2014 and December 31, 2013, the Company had outstanding borrowings of $50 and $57, respectively.

At various dates in 2011, the Company entered into Lease Agreements with Lease Corporation of America. Pursuant to these agreements, the Company obtained an aggregate amount of $66 for a 60-month term that have variable annual interest rates of approximately 14%. The leases are secured by the related leased equipment. Under the agreements, the Company makes monthly payments of approximately $1 of principal plus any accrued interest. The agreements provide for customary events of default. The leases are personally guaranteed by a Company director who is a principal stockholder. At March 31, 2014 and December 31, 2013, the Company had outstanding borrowings of $40 and $42, respectively.

On June 17, 2011, the Company entered into a loan agreement with First Republic Bank. Pursuant to the loan agreement, the Company obtained a $150 secured loan for a 60-month term that has a variable interest rate based on First Republic’s Prime plus a spread of 1.75% p.a. and a floor of 3.25% p.a. The initial interest rate was 5% p.a. Under the loan agreement, the Company makes monthly payments consisting of $3 of principal plus any accrued interest. The loan agreement provides for customary events of default. This loan is personally guaranteed by a Company director who is a principal stockholder. At March 31, 2014 and December 31, 2013, the Company had outstanding borrowings of $68 and $75, respectively.

On September 13, 2011, the Company entered into an additional loan agreement with First Republic Bank. Pursuant to the loan agreement, the Company obtained a $150 loan for a 60-month term that has a variable annual interest rate based on First Republic’s Prime plus a spread of 1.75% and a floor of 3.25%. The initial interest rate was 5%. Under the loan agreement, the Company makes monthly payments consisting of $3 of principal plus any accrued interest. The loan agreement provides for customary events of default. This loan is personally guaranteed by a Company director who is a principal stockholder. At March 31, 2014 and December 31, 2013, the Company had outstanding borrowings of $75 and $83, respectively.

Net Loss Per Common Share

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Net Loss Per Common Share

6.	Net Loss Per Common Share

Because the Company was in a loss position for each of the periods presented, diluted net loss per share is the same as basic net loss per share for each period as the inclusion of all potential common shares outstanding would have been anti-dilutive. The following outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share for the periods presented because including them would have been anti-dilutive:

	Three Months ended March 31,
	2014		2013
Weighted average shares outstanding:
Convertible preferred stock		1,266,073		1,480,042
Convertible preferred stock warrants		996,724		1,285,839
Common stock warrants		133,377		-
Options		337,500		337,500
Total		2,733,674		3,103,381

Assets for Lease (Tables)

3 Months Ended

Mar. 31, 2014

Leases, Capital [Abstract]

Schedule of assets for lease

	March 31, 2014			December 31, 2013

Assets for lease	$	762		$	688
Less: Accumulated Depreciation		(197	)		(176	)
Assets for lease, net	$	565		$	512

Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2014

Accrued Liabilities, Current [Abstract]

Schedule of accrued expenses

	March 31, 2014		December 31, 2013

Offering Costs	$	572	$	722
Compensation		352		264
Miscellaneous Accruals		261		142
Total Accrued Expenses	$	1,185	$	1,128

Net Loss Per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Schedule of common stock equivalents were excluded from the computation of diluted net loss per share

	Three Months ended March 31,
	2014		2013
Weighted average shares outstanding:
Convertible preferred stock		1,266,073		1,480,042
Convertible preferred stock warrants		996,724		1,285,839
Common stock warrants		133,377		-
Options		337,500		337,500
Total		2,733,674		3,103,381

Basis of Presentation (Detail Textuals)	1 Months Ended	3 Months Ended	12 Months Ended
Basis of Presentation (Detail Textuals)	Feb. 28, 2014 USD ($) $ / shares shares	Mar. 31, 2014 USD ($) $ / warrant shares	Dec. 31, 2013 USD ($)
Initial public offering
Basis Of Presentation [Line Items]
Number of common stock shares issued	1,430,000
Public offering price per share \| $ / shares	$ 7.00
Net proceeds from initial public offering \| $	$ 7,403,000
Underwriting discounts and commissions \| $	848,000
Other offering expenses \| $	$ 1,759,000
Offering expenses \| $		$ 1,959,000	$ 648,000
Initial public offering \| Series A Preferred Stock
Basis Of Presentation [Line Items]
Number of warrants issued		1,067,210
Number of preferred stocks shares converted		1,468,402
Initial public offering \| Series A-1 Preferred Stock
Basis Of Presentation [Line Items]
Number of warrants issued		228,656
Number of preferred stocks shares converted		293,750
Initial public offering \| Series A-2 Preferred Stock
Basis Of Presentation [Line Items]
Number of preferred stocks shares converted		250,000
Initial public offering \| Common Stock
Basis Of Presentation [Line Items]
Number of shares issued for conversion of preferred stock		2,012,152
Aggregate number of common stock shares exercisable at initial public offering		479,115
Over allotment option
Basis Of Presentation [Line Items]
Number of common stock shares issued		214,500
Number of warrants issued		71,500
Exercise price per warrants \| $ / warrant		8.75

Assets for Lease - Summary of assets for lease (Details) - USD ($) $ in Thousands	Mar. 31, 2014	Dec. 31, 2013
Leases, Capital [Abstract]
Assets for lease	$ 762	$ 688
Less: Accumulated Depreciation	(197)	(176)
Assets for lease, net	$ 565	$ 512

Assets for Lease (Detail Textuals) - USD ($)	3 Months Ended
Assets for Lease (Detail Textuals) - USD ($)	Mar. 31, 2014	Mar. 31, 2013
Leases, Capital [Abstract]
Depreciation expense	$ 47	$ 29
Reduction to accumulated depreciation for returned items	$ 22	$ 0

Deferred Financing Costs (Detail Textuals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Deferred Finance Costs [Abstract]
Deferred financing costs	$ 179		$ 202
Amortized interest expense	$ 23	$ 22

Accrued Expenses - Summary of accrued expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2014	Dec. 31, 2013
Accrued Liabilities, Current [Abstract]
Offering Costs	$ 572	$ 722
Compensation	352	264
Miscellaneous Accruals	261	142
Total Accrued Expenses	$ 1,185	$ 1,128

Commitments and Contingencies (Detail Textuals) - Secured Debt - USD ($)			1 Months Ended		12 Months Ended
	Sep. 13, 2011	Feb. 09, 2011	Jun. 17, 2011	May 27, 2011	Dec. 31, 2011	Mar. 31, 2014	Dec. 31, 2013
Equipment Finance Agreement \| U.S. Bancorp Business Equipment Finance Group
Commitments And Contingencies [Line Items]
Amount of secured loan obtained		$ 39		$ 109
Term of secured loan		48 months		60 months
Annual fixed interest rate		13.00%		6.00%
Monthly principal payment		$ 1		$ 2
Frequency of payment		Monthly		Monthly
Amount of outstanding borrowings						$ 10	$ 13
Equipment Finance Agreement \| U.S. Bancorp Business Equipment Finance Group
Commitments And Contingencies [Line Items]
Amount of outstanding borrowings						50	57
Lease Agreements \| Lease Corporation of America
Commitments And Contingencies [Line Items]
Amount of secured loan obtained					$ 66
Term of secured loan					60 months
Annual fixed interest rate					14.00%
Monthly principal payment					$ 1
Frequency of payment					Monthly
Amount of outstanding borrowings						40	42
Loan Agreement \| First Republic Bank
Commitments And Contingencies [Line Items]
Amount of secured loan obtained			$ 150
Term of secured loan			60 months
Annual variable interest rate			1.75%
Percentage of spread interest rates on secured loans			3.25%
Description of interest rates			Prime plus a spread of 1.75% p.a. and a floor of 3.25% p.a
Annual fixed interest rate			5.00%
Monthly principal payment			$ 3
Frequency of payment			Monthly
Amount of outstanding borrowings						68	75
Additional Loan Agreements \| First Republic Bank
Commitments And Contingencies [Line Items]
Amount of secured loan obtained	$ 150
Term of secured loan	60 months
Annual variable interest rate	1.75%
Percentage of spread interest rates on secured loans	3.25%
Description of interest rates	Prime plus a spread of 1.75% p.a. and a floor of 3.25% p.a
Annual fixed interest rate	5.00%
Monthly principal payment	$ 3
Frequency of payment	Monthly
Amount of outstanding borrowings						$ 75	$ 83

Net Loss Per Common Share - Summary of outstanding shares of common stock equivalents excluded from the computation of diluted net loss per share (Details) - shares	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Weighted average shares outstanding:
Total	2,733,674	3,103,381
Convertible preferred stock
Weighted average shares outstanding:
Total	1,266,073	1,480,042
Convertible preferred stock warrants
Weighted average shares outstanding:
Total	996,724	1,285,839
Common stock warrants
Weighted average shares outstanding:
Total	133,377
Options
Weighted average shares outstanding:
Total	337,500	337,500