Document and Entity Information
Document and Entity Information - shares | 6 Months Ended | |
Jun. 30, 2023 | Aug. 03, 2023 | |
Cover [Abstract] | ||
Document Type | 10-Q/A | |
Document Quarterly Report | true | |
Document Period End Date | Jun. 30, 2023 | |
Document Transition Report | false | |
Entity File Number | 001-40631 | |
Entity Registrant Name | Caribou Biosciences, Inc. | |
Entity Incorporation State Country Code | DE | |
Entity Tax Identification Number | 45-3728228 | |
Entity Address Address Line1 | 2929 7th Street | |
Entity Address, Address Line Two | Suite 105 | |
Entity Address City Or Town | Berkeley | |
Entity Address, State and Province | CA | |
Entity Address Postal Zip Code | 94710 | |
City Area Code | 510 | |
Local Phone Number | 982-6030 | |
Security12b Title | Common Stock, par value $0.0001 per share | |
Trading Symbol | CRBU | |
Security Exchange Name | NASDAQ | |
Entity Current Reporting Status | Yes | |
Entity Interactive Data Current | Yes | |
Entity Filer Category | Non-accelerated Filer | |
Entity Small Business | true | |
Entity Emerging Growth Company | true | |
Entity Ex Transition Period | false | |
Entity Shell Company | false | |
Entity Common Stock, Shares Outstanding | 88,284,776 | |
Entity Central Index Key | 0001619856 | |
Current Fiscal Year End Date | --12-31 | |
Document Fiscal Period Focus | Q2 | |
Amendment Flag | false | |
Document Fiscal Year Focus | 2023 |