Quarterly report pursuant to Section 13 or 15(d)

Equity Awards and Warrants - Activity (Details)

v3.22.4
Equity Awards and Warrants - Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Nov. 30, 2022
May 31, 2022
Liability Classified Warrants        
Derivative liability (beginning balance)    
Classified as liability due to lack of shares availability at issuance 14,522      
Classified as equity upon increase in availability (23,123)      
Loss on derivative due to change in fair market value 8,601 $ 8,600    
Derivative liability (ending balance)    
Stock option and warrant activity        
Options and warrants outstanding, Number of Shares 90,705   90,705  
Granted, Number of Shares     116,439  
Exercised, Number of Shares     (2,097)  
Forfeited/expired/cancelled, Number of Shares     (2,147)  
Options and warrants outstanding, Number of Shares     202,900 90,705
Options and warrants outstanding and exercisable, Number of Shares     189,085  
Options and warrants outstanding, Weighted Average Exercise Price $ 0.77   $ 0.77  
Granted, Weighted Average Exercise Price     0.29  
Exercised, Weighted Average Exercise Price     0.79  
Forfeited/expired/cancelled, Weighted Average Exercise Price     1.49  
Options and warrants outstanding, Weighted Average Exercise Price     0.48 $ 0.77
Options and warrants outstanding and exercisable, Weighted Average Exercise Price     $ 0.47  
Options and warrants outstanding, Weighted Average Remaining Contractual Life in Years     4 years 9 months 18 days 4 years 21 days
Options and warrants outstanding and exercisable, Weighted Average Remaining Contractual Life in Years     4 years 5 months 23 days  
Options and warrants outstanding, Aggregate Intrinsic Value     $ 9,616 $ 352
Options and warrants outstanding and exercisable, Aggregate Intrinsic Value     9,540  
Loss on derivatives     $ 8,601