Annual report pursuant to Section 13 and 15(d)

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
12 Months Ended
May 31, 2023
May 31, 2022
Stock options, warrants, and unvested restricted stock units    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive securities excluded from computation of loss per common share 281,023 106,002
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
Convertible preferred stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive securities excluded from computation of loss per common share 34,071 32,535