Leases - Schedule Of Balance Sheet And Other Information Related To Operating Leases (Detail) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Operating Leases [Abstract] | ||
| Lease Assets | $ 2,307 | $ 2,466 |
| Lease Liabilities - Current | 585 | 584 |
| Lease Liabilities - Long Term | $ 1,784 | $ 1,953 |