Stock Incentive Plan - Summary of the Status of Outstanding RSU's (Details) - $ / shares
|
9 Months Ended |
12 Months Ended |
Oct. 31, 2021 |
Jan. 31, 2021 |
Jan. 31, 2020 |
| Error Corrections and Prior Period Adjustments Restatement [Line Items] |
|
|
|
| Number of Shares, Beginning Balance |
9,712,169
|
14,397,000
|
1,592,000
|
| Number of Shares, Granted |
2,181,077
|
|
13,969,000
|
| Number of Shares, Vested |
(2,430,871)
|
|
(909,000)
|
| Number of Shares, Forfeited or expired |
(1,257,920)
|
|
(255,000)
|
| Number of Shares, Ending Balance |
8,204,455
|
9,712,169
|
14,397,000
|
| Weighted Average Grant Date Fair Value, Beginning Balance |
$ 11.75
|
$ 1.62
|
$ 1.58
|
| Weighted Average Grant Date Fair Value, Granted |
12.85
|
|
1.63
|
| Weighted Average Grant Date Fair Value, Vested |
12.85
|
|
1.63
|
| Weighted Average Grant Date Fair Value, Forfeited or expired |
12.85
|
|
1.62
|
| Weighted Average Grant Date Fair Value, Ending Balance |
$ 11.55
|
$ 11.75
|
$ 1.62
|
| Previously Reported [Member] |
|
|
|
| Error Corrections and Prior Period Adjustments Restatement [Line Items] |
|
|
|
| Number of Shares, Beginning Balance |
9,712,000
|
14,397,000
|
|
| Number of Shares, Granted |
|
2,029,000
|
|
| Number of Shares, Vested |
|
(5,090,000)
|
|
| Number of Shares, Forfeited or expired |
|
(1,624,000)
|
|
| Number of Shares, Ending Balance |
|
9,712,000
|
14,397,000
|
| Weighted Average Grant Date Fair Value, Beginning Balance |
$ 1.82
|
$ 1.62
|
|
| Weighted Average Grant Date Fair Value, Granted |
|
3.08
|
|
| Weighted Average Grant Date Fair Value, Vested |
|
1.70
|
|
| Weighted Average Grant Date Fair Value, Forfeited or expired |
|
2.06
|
|
| Weighted Average Grant Date Fair Value, Ending Balance |
|
$ 1.82
|
$ 1.62
|