| Cover | Apr. 19, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Apr. 19, 2024 |
| Entity File Number | 001-40723 |
| Entity Registrant Name | COLLECTIVE AUDIENCE, INC. |
| Entity Central Index Key | 0001854583 |
| Entity Tax Identification Number | 86-2861807 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 85 Broad Street 16-079 |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10004 |
| City Area Code | 808 |
| Local Phone Number | 829-1057 |
| 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 $0.0001 per share |
| Trading Symbol | CAUD |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
