| Document and Entity Information | May 09, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | Aterian, Inc. |
| Document Type | 8-K |
| Document Period End Date | May 08, 2023 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-38937 |
| Entity Tax Identification Number | 83-1739858 |
| Entity Address, Address Line One | Aterian, Inc. |
| Entity Address, Address Line Two | 350 Springfield Avenue, Suite 200 |
| Entity Address, City or Town | Summit |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 07901 |
| City Area Code | 347 |
| Local Phone Number | 676-1681 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock |
| Trading Symbol | ATER |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001757715 |
