Commitments and Contingencies - Summary of Operating Lease Balances (Details) - USD ($) $ in Thousands |
Aug. 31, 2026 |
May 31, 2026 |
|---|---|---|
| Commitments and Contingencies. | ||
| Right-of-use asset | $ 68 | $ 73 |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | Other Assets, Noncurrent |
| Current operating lease liability | $ 23 | $ 23 |
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued Compensation And Non-financing Liabilities | Accrued Compensation And Non-financing Liabilities |
| Non-current operating lease liability | $ 47 | $ 53 |
| Present value of operating lease liabilities | $ 70 | $ 76 |