Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Leases (Details)

v3.22.2.2
Commitments and Contingencies - Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
May 31, 2022
May 31, 2021
Commitments and Contingencies Disclosure [Abstract]    
Operating lease costs $ 200 $ 300
Right of use asset 536 712
Current operating lease liability 134 175
Non-current operating lease liability 422 552
Total operating lease liability 556 727
Lessee, Operating Lease, Liability, Payment, Due [Abstract]    
2023 177  
2024 182  
2025 185  
2026 208  
Total operating lease payments 752  
Less: imputed interest (196)  
Present value of operating lease liabilities $ 556 $ 727