Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 16, 2023	Jun. 30, 2022
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	001-36305
Entity Registrant Name	SEMLER SCIENTIFIC, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-1367393
Entity Address, Address Line One	2340-2348 Walsh Avenue, Suite 2344
Entity Address, City or Town	Santa Clara
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95051
City Area Code	877
Local Phone Number	774-4211
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	SMLR
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 155,160,658
Entity Common Stock, Shares Outstanding		6,844,512
Auditor Name	BDO USA, LLP
Auditor Firm ID	243
Auditor Location	New York, NY
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Central Index Key	0001554859
Amendment Flag	false