| Share-based Payment Arrangement, Activity [Table Text Block] |
| Location |
|
Type of Award |
|
Shares Unvested at January 31, 2022 |
|
|
Weighted Average Fair Value |
|
|
Unrecognized Compensation Expense at January 31, 2022 |
|
Date Expense will be Recognized Through (Straight-Line Basis) |
|
|
| U.S. |
|
Time Based Only |
|
|
655,646 |
|
|
$ |
5.98 |
|
|
$ |
3,347,782 |
|
12/6/2023 |
|
|
| U.S. |
|
$6 Market/Time- Based |
|
|
150,697 |
|
|
$ |
3.86 |
|
|
$ |
- |
|
10/29/2020 |
|
|
| U.S. |
|
$6 Market/Time- Based |
|
|
191,902 |
|
|
$ |
8.65 |
|
|
$ |
104,425 |
|
3/29/2022 |
* |
|
| U.S. |
|
$6 Market/Time- Based |
|
|
191,902 |
|
|
$ |
8.65 |
|
|
$ |
518,030 |
|
3/29/2023 |
* |
|
| U.S. |
|
$6 Market/Time- Based |
|
|
191,913 |
|
|
$ |
8.65 |
|
|
$ |
747,066 |
|
3/29/2024 |
* |
|
| U.S. |
|
$8 Market/Time- Based |
|
|
150,697 |
|
|
$ |
3.46 |
|
|
$ |
- |
|
10/29/2020 |
|
|
| U.S. |
|
$8 Market/Time- Based |
|
|
191,903 |
|
|
$ |
7.45 |
|
|
$ |
291,941 |
|
8/23/2022 |
** |
|
| U.S. |
|
$8 Market/Time- Based |
|
|
191,903 |
|
|
$ |
7.45 |
|
|
$ |
552,343 |
|
8/23/2023 |
** |
|
| U.S. |
|
$8 Market/Time- Based |
|
|
191,912 |
|
|
$ |
7.45 |
|
|
$ |
710,583 |
|
8/23/2024 |
** |
|
| U.S. |
|
$10 Market/Time- Based |
|
|
150,706 |
|
|
$ |
3.15 |
|
|
$ |
- |
|
10/29/2020 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
191,471 |
|
|
$ |
6.46 |
|
|
$ |
378,258 |
|
7/9/2023 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
191,467 |
|
|
$ |
6.46 |
|
|
$ |
543,516 |
|
7/9/2024 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
191,482 |
|
|
$ |
6.46 |
|
|
$ |
657,257 |
|
7/9/2025 |
|
|
| U.S. |
|
$13 Market/Time- Based |
|
|
433 |
|
|
$ |
4.47 |
|
|
$ |
161 |
|
5/4/2022 |
|
|
| U.S. |
|
$13 Market/Time- Based |
|
|
433 |
|
|
$ |
4.47 |
|
|
$ |
597 |
|
5/4/2023 |
|
|
| U.S. |
|
$13 Market/Time- Based |
|
|
434 |
|
|
$ |
4.47 |
|
|
$ |
864 |
|
5/4/2024 |
|
|
| U.S. |
|
$16 Market/Time- Based |
|
|
433 |
|
|
$ |
3.85 |
|
|
$ |
281 |
|
8/27/2022 |
|
|
| U.S. |
|
$16 Market/Time- Based |
|
|
433 |
|
|
$ |
3.85 |
|
|
$ |
597 |
|
8/27/2023 |
|
|
| U.S. |
|
$16 Market/Time- Based |
|
|
434 |
|
|
$ |
3.85 |
|
|
$ |
798 |
|
8/27/2024 |
|
|
| U.S. |
|
$19 Market/Time- Based |
|
|
433 |
|
|
$ |
3.34 |
|
|
$ |
320 |
|
11/19/2022 |
|
|
| U.S. |
|
$19 Market/Time- Based |
|
|
433 |
|
|
$ |
3.34 |
|
|
$ |
563 |
|
11/19/2023 |
|
|
| U.S. |
|
$19 Market/Time- Based |
|
|
434 |
|
|
$ |
3.34 |
|
|
$ |
722 |
|
11/19/2024 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
4,635 |
|
|
$ |
7.28 |
|
|
$ |
23,564 |
|
1/31/2023 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
4,635 |
|
|
$ |
7.28 |
|
|
$ |
27,744 |
|
1/31/2024 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
4,634 |
|
|
$ |
7.28 |
|
|
$ |
29,485 |
|
1/31/2025 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
22,408 |
|
|
$ |
6.83 |
|
|
$ |
137,796 |
|
6/30/2023 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
22,415 |
|
|
$ |
6.83 |
|
|
$ |
143,791 |
|
6/30/2024 |
|
|
| U.S. |
|
$10 Market/Time- Based |
|
|
22,418 |
|
|
$ |
6.83 |
|
|
$ |
146,417 |
|
6/30/2025 |
|
|
| U.K. |
|
Time Based Only |
|
|
90,431 |
|
|
$ |
5.75 |
|
|
$ |
408,123 |
|
12/6/2023 |
|
|
| U.K. |
|
$6 Market/Time- Based |
|
|
28,885 |
|
|
$ |
3.85 |
|
|
$ |
- |
|
10/29/2020 |
|
|
| U.K. |
|
$6 Market/Time- Based |
|
|
27,892 |
|
|
$ |
8.36 |
|
|
$ |
15,007 |
|
3/29/2022 |
* |
|
| U.K. |
|
$6 Market/Time- Based |
|
|
27,892 |
|
|
$ |
8.36 |
|
|
$ |
73,847 |
|
3/29/2023 |
* |
|
| U.K. |
|
$6 Market/Time- Based |
|
|
27,901 |
|
|
$ |
8.36 |
|
|
$ |
106,167 |
|
3/29/2024 |
* |
|
| U.K. |
|
$8 Market/Time- Based |
|
|
28,885 |
|
|
$ |
3.45 |
|
|
$ |
- |
|
10/29/2020 |
|
|
| U.K. |
|
$8 Market/Time- Based |
|
|
27,892 |
|
|
$ |
7.20 |
|
|
$ |
41,784 |
|
8/23/2022 |
** |
|
| U.K. |
|
$8 Market/Time- Based |
|
|
27,892 |
|
|
$ |
7.20 |
|
|
$ |
78,591 |
|
8/23/2023 |
** |
|
| U.K. |
|
$8 Market/Time- Based |
|
|
27,901 |
|
|
$ |
7.20 |
|
|
$ |
100,863 |
|
8/23/2024 |
** |
|
| U.K. |
|
$10 Market/Time- Based |
|
|
28,886 |
|
|
$ |
3.14 |
|
|
$ |
- |
|
10/29/2020 |
|
|
| U.K. |
|
$10 Market/Time- Based |
|
|
27,902 |
|
|
$ |
6.24 |
|
|
$ |
54,060 |
|
7/9/2023 |
|
|
| U.K. |
|
$10 Market/Time- Based |
|
|
27,892 |
|
|
$ |
6.24 |
|
|
$ |
77,256 |
|
7/9/2024 |
|
|
| U.K. |
|
$10 Market/Time- Based |
|
|
27,901 |
|
|
$ |
6.24 |
|
|
$ |
93,232 |
|
7/9/2025 |
|
|
| U.K. |
|
$10 Market/Time- Based |
|
|
750 |
|
|
$ |
6.83 |
|
|
$ |
4,612 |
|
6/30/2023 |
|
|
| U.K. |
|
$10 Market/Time- Based |
|
|
750 |
|
|
$ |
6.83 |
|
|
$ |
4,811 |
|
6/30/2024 |
|
|
| U.K. |
|
$10 Market/Time- Based |
|
|
750 |
|
|
$ |
6.83 |
|
|
$ |
4,898 |
|
6/30/2025 |
|
|
| Total |
|
|
3,349,048 |
|
|
|
|
|
|
$ |
9,428,151 |
|
|
|
|
|