Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.23.4
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 30, 2023
Aug. 31, 2023
Nov. 30, 2022
Aug. 31, 2022
Nov. 30, 2023
Nov. 30, 2022
May 31, 2023
Summary of Significant Accounting Policies              
Net loss $ (9,563) $ (11,571) $ (26,495) $ (20,991) $ (21,134) $ (47,486)  
Accumulated deficit (862,824)       (862,824)   $ (841,690)
Restricted cash $ 6,577   $ 200   $ 6,577 $ 200 $ 6,507