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Stock-Based Compensation - Additional Information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2022
USD ($)
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options exercisable period 10 years
Total unrecognized compensation expense related to unvested options | $ $ 0.1
Total unrecognized compensation expense related to unvested options, expects to recognize over estimated weighted average period 1 month 24 days
Restricted Stock  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Total unrecognized compensation expense related to unvested options, expects to recognize over estimated weighted average period 2 years 8 months 1 day
Total unrecognized compensation expense related to unvested shares of restricted common stock | $ $ 24.5
Share-based Compensation Award, Tranche One  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options vesting period 4 years
Share-based Compensation Award, Tranche One | Vesting on First Anniversary  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options vesting percentage 25.00%
Share-based Compensation Award, Tranche One | Vesting Over Succeeding 36 Months  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options vesting period 36 months
Options vesting percentage 75.00%
Share-based Compensation Award, Tranche Two  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options vesting period 3 years
Share-based Compensation Award, Tranche Two | Vesting on First Anniversary  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options vesting percentage 33.33%
Share-based Compensation Award, Tranche Two | Vesting Over Succeeding 24 Months  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options vesting period 24 months
Options vesting percentage 66.66%
Aterian 2014 Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares reserved for future issuance 81,935
2018 Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares reserved for future issuance 910,982
2019 Equity Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares reserved for future issuance 0
2019 Equity Plan | Restricted Stock  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Award vesting date Mar. 14, 2022
Percentage of restricted shares issued and outstanding 70.00%
2022 Inducement Equity Incentive Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares reserved for future issuance 2,050,000
Options exercisable period 10 years
Number of shares available for grant 2,700,000
Shares granted in period 650,000