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

Consolidated Balance Sheets (Parenthetical)

v3.23.2
Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Thousands
Feb. 28, 2023
Aug. 31, 2022
Aug. 30, 2022
May 31, 2022
May 31, 2021
Statement [Line Items]          
Preferred stock, par value $ 0.001     $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000     5,000 5,000
Common stock, par value $ 0.001     $ 0.001 $ 0.001
Common stock, shares authorized 1,350,000 1,350,000 1,000,000 1,350,000 1,350,000
Common stock, shares issued 837,031     720,028 626,123
Common stock, shares outstanding 836,588     719,585 625,680
Treasury stock, shares 443     443 443
Treasury Stock          
Statement [Line Items]          
Common stock, par value       $ 0.001 $ 0.001
Series B Convertible Preferred Stock          
Statement [Line Items]          
Preferred stock, par value $ 0.001     $ 0.001 $ 0.001
Preferred stock, shares authorized 400     400 400
Preferred stock, shares issued 19     19 79
Preferred stock, shares outstanding 19     19 79
Series C Convertible Preferred Stock          
Statement [Line Items]          
Preferred stock, par value $ 0.001     $ 0.001 $ 0.001
Preferred stock, shares authorized 8     8 8
Preferred stock, shares issued 6     7 8
Preferred stock, shares outstanding 6     7 8
Series D Convertible Preferred Stock          
Statement [Line Items]          
Preferred stock, par value $ 0.001     $ 0.001 $ 0.001
Preferred stock, shares authorized 12     12 12
Preferred stock, shares issued 9     9 9
Preferred stock, shares outstanding 9     9 9