| Document and Entity Information | May 10, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 10, 2022 |
| Entity Registrant Name | Biora Therapeutics, Inc. |
| Entity Central Index Key | 0001580063 |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity File Number | 001-39334 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 27-3950390 |
| Entity Address, Address Line One | 4330 La Jolla Village Drive |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | San Diego |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92122 |
| City Area Code | 855 |
| Local Phone Number | 293-2639 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | BIOR |
| Security Exchange Name | NASDAQ |
