Government Grants - Additional Information (Detail) - USD ($) |
3 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Government Grants [Abstract] | ||
| Short and long-term grant deferred revenue | $ 900,000 | |
| Grant revenue recognized included in depreciation expense | 100,000 | $ 100,000 |
| Grant revenue recognized included in selling and marketing expense | 100,000 | |
| Contingencies associated with the government grants | $ 0 | |