| DEI Document | Sep. 13, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Sep. 13, 2021 |
| Amendment Flag | false |
| Entity Registrant Name | CLEARONE INC |
| Entity Central Index Key | 0000840715 |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-33660 |
| Entity Tax Identification Number | 87-0398877 |
| 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 |
| City Area Code | (801) |
| Local Phone Number | 975-7200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common Stock, $0.001 |
| Trading Symbol | CLRO |
| Security Exchange Name | NASDAQ |
