General form of registration statement for all companies including face-amount certificate companies

Loss Per Common Share - Summary of Weighted Average Number of Shares of Common Stock Outstanding (Details)

v3.23.2
Loss Per Common Share - Summary of Weighted Average Number of Shares of Common Stock Outstanding (Details) - shares
shares in Thousands
9 Months Ended 12 Months Ended
Feb. 28, 2023
Feb. 28, 2022
May 31, 2022
May 31, 2021
Stock options, warrants & unvested restricted stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive securities excluded from computation of loss per common share 203,274 98,309 106,002 82,386
Convertible notes        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive securities excluded from computation of loss per common share 12,000 12,000 12,000 18,000
Convertible Preferred Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive securities excluded from computation of loss per common share 33,323 32,197 32,535 33,008