Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Leases (Details)

v3.21.2
Commitments and Contingencies - Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
May 31, 2021
May 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Operating lease costs $ 300 $ 200
Operating Lease, Right-of-Use Asset 712 176
Operating Lease, Liability, Current 175 115
Operating Lease, Liability, Noncurrent 552 63
Operating Lease, Liability, Total 727 178
Lessee, Operating Lease, Liability, Payment, Due [Abstract]    
2022 202  
2023 225  
2024 175  
2025 180  
2026 183  
Lessee, Operating Lease, Total payments 965  
Less: imputed interest (238)  
Operating Lease, Liability $ 727 $ 178