Document And Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Apr. 15, 2022	Jun. 30, 2020
Document and Entity Information [Abstract]
Entity Registrant Name	CLEARONE INC
Entity Central Index Key	0000840715
Trading Symbol	clro
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding (in shares)		22,410,126
Entity Public Float			$ 18.8
Entity Shell Company	false
Document Type	10-K
Document Period End Date	Dec. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Interactive Data Current	Yes
Title of 12(b) Security	NASDAQ
Entity File Number	001-33660
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	5225 Wiley Post Way, Suite 500
Entity Address, City or Town	Salt Lake City
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84116
Document Annual Report	true
City Area Code	(801)
Local Phone Number	975-7200
Document Transition Report	false
Entity Tax Identification Number	87-0398877
Auditor Name	TANNER LLC
Auditor Firm ID	270
Auditor Location	Salt Lake City, Utah