Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.23.3
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended
Aug. 31, 2023
Aug. 31, 2022
May 31, 2023
Summary of Significant Accounting Policies      
Net loss $ (11,571) $ (20,991)  
Accumulated deficit (853,261)   $ (841,690)
Restricted cash $ 6,538   $ 6,507