Retirement Plan - Additional Information (Details) - USD ($) |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Oct. 31, 2021 |
Jan. 31, 2021 |
Jan. 31, 2020 |
|
| Defined Contribution Plan Disclosure [Line Items] | |||
| Employee contribution matching percentage | 4.00% | ||
| Defined Contribution 401 K Profit Sharing Plan [Member] | |||
| Defined Contribution Plan Disclosure [Line Items] | |||
| Share based compensation arrangement, vesting period | 4 years | ||
| Employer contribution towards the plan | $ 1,680 | $ 1,209 | |