General form for registration of securities under the Securities Act of 1933

Commitments and Contingencies - Summary of Operating Lease Balances (Details)

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Commitments and Contingencies - Summary of Operating Lease Balances (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
May 31, 2025
May 31, 2024
Commitments and Contingencies.        
Operating lease costs $ 100 $ 100 $ 100 $ 100
Right-of-use asset $ 33   $ 130 $ 264
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent   Other Assets, Noncurrent Other Assets, Noncurrent
Current operating lease liability $ 34   $ 141 $ 142
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued Compensation And Non-financing Liabilities   Accrued Compensation And Non-financing Liabilities Accrued Compensation And Non-financing Liabilities
Non-current operating lease liability     $ 0 $ 141
Total operating lease liability $ 34   $ 141 $ 283