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v3.21.1

Notes Payable (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 05, 2020 | Feb. 28, 2021 | Jan. 31, 2021 | Jan. 31, 2021 | Jan. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from PPP loans |  |  |  | $ 1,607 | $ 0
Paycheck Protection Program, CARES Act |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from PPP loans | $ 1,600 |  |  |  |
Interest rate (as a percent) | 1.00% |  |  |  |
Loan forgiveness |  |  | $ 757 |  |
Paycheck Protection Program, CARES Act | Klein Associates Inc. | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Loan forgiveness |  | $ 850 |  |  |

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