Stock Option Plan and Stock Based Compensation - Summary of Unvested Stock Options (Detail) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
Feb. 29, 2024 |
|
| Share-Based Payment Arrangement [Abstract] | |||
| Unvested Beginning Balance, Number of Options | 26,669 | ||
| Unvested Begining Balance, Weighted Average Grant Date Fair Value | $ 2.47 | ||
| Number of stock options granted | 10,809 | 0 | |
| New grants, Weighted Average Grant Date Fair Value | $ 2.41 | $ 2.47 | |
| Vested, Number of Shares | (24,140) | ||
| Vested, Weighted Average Grant Date Fair Value | $ 2.44 | ||
| Forfeited, Number of Shares | 0 | ||
| Forfeited, Weighted Average Grant Date Fair Value | $ 0 | ||
| Unvested Ending Balance, Number of Options | 13,338 | 26,669 | |
| Unvested Ending Balance, Weighted Average Grant Date Fair Value | $ 2.47 | $ 2.47 | |