| Document and Entity Information | Nov. 30, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | On December 1, 2020, Aterian, Inc. (the “Company”, or “Aterian”), formerly known as Mohawk Group Holdings, Inc., filed with the Securities and Exchange Commission a Current Report on Form 8-K (the “Initial Form 8-K”) to report, among other things, Aterian’s acquisition (the “Acquisition”) on December 1, 2020 of certain assets of 9830 Macarthur LLC, a Wyoming limited liability company (“9830”), Reliance Equities Group, LLC, a Wyoming limited liability company (“Reliance”), and ZN Direct LLC, a Wyoming limited liability company (collectively with 9830 and Reliance, the “Sellers”), related to the Sellers’ ecommerce business under the brands Mueller, Pursteam, Pohl and Schmitt and Spiralizer, which is conducted through certain channels or websites, including amazon.com. This Amendment No. 1 on Form 8-K/A (this “Amendment No. 1”) amends the Initial Form 8-K to include financial information required under Item 9.01, which was not previously filed with the Initial Form 8-K. Except as stated in this Explanatory Note, no other information contained in the Initial Form 8-K is changed. |
| Document Period End Date | Nov. 30, 2020 |
| Entity Registrant Name | Aterian, Inc. |
| Entity Central Index Key | 0001757715 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-38937 |
| Entity Tax Identification Number | 83-1739858 |
| Entity Address Address Line1 | Aterian, Inc. |
| Entity Address, Address Line Two | 37 East 18th Street |
| Entity Address, Address Line Three | 7th Floor |
| Entity Address City Or Town | New York |
| Entity Address State Or Province | NY |
| Entity Address Postal Zip Code | 10003 |
| 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 |
| Security12b Title | Common Stock, $0.0001 par value |
| Trading Symbol | ATER |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
