v3.25.2
Consolidated Statements of Changes in Temporary Equity and Stockholders' Equity - USD ($)
$ in Thousands
Total
Conversions of debt
Conversion of preferred stock
Series E Redeemable Preferred Stock
Series F Convertible Preferred Stock
Series E-1 Redeemable Preferred Stock
Series G Convertible Preferred Stock
Preferred Stock
Stockholders’ Equity
Stockholders’ Equity
Conversions of debt
Common Stock
Common Stock
Conversions of debt
Common Stock
Conversion of preferred stock
Treasury Stock
Additional Paid in Capital
Additional Paid in Capital
Conversions of debt
Additional Paid in Capital
Conversion of preferred stock
Additional Paid in Capital
Preferred Stock
Accumulated Deficit
Noncontrolling interest
Beginning balance, common stock (in shares) at May. 31, 2022                     97,837,703                  
Beginning balance, common stock at May. 31, 2022 $ 79,235               $ 72,259   $ 98     $ (62) $ 128,293       $ (56,070) $ 6,976
Beginning balance, treasury stock (in shares) at May. 31, 2022                           36,296            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                        
Issuance of common stock from stock compensation plans (in shares)                     3,089,655                  
Issuance of common stock from stock compensation plans 0                   $ 3       (3)          
Tax payments for restricted stock upon vesting (168)               (168)           (168)          
Issuance of warrants, at fair value 0                                      
Capital contribution to noncontrolling interest 4,146                                     4,146
Common stock forfeited and share cancellations (in shares)                           (4,965,432)            
Stock-based compensation 32,072               32,072           32,072          
Net loss (45,606)               (44,646)                   (44,646) (960)
Ending balance, common stock (in shares) at May. 31, 2023                     100,927,358                  
Ending balance, common stock at May. 31, 2023 69,679               59,517   $ 101     $ (62) 160,194       (100,716) 10,162
Ending balance, treasury stock (in shares) at May. 31, 2023                           5,001,728            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                        
Shares issued in offering, net of costs (in shares)                     21,600,722                  
Shares issued in offering, net of costs 130,849               130,849   $ 23       130,826          
Issuance of common stock from stock compensation plans (in shares)                     6,894,166                  
Issuance of common stock from stock compensation plans 0                   $ 6       (6)          
Tax payments for restricted stock upon vesting (861)               (861)           (861)          
Conversions of debt / preferred stock (in shares)                       13,213,727                
Conversions of debt / preferred stock   $ 52,060               $ 52,060   $ 13       $ 52,047        
Issuance of warrants, at fair value 5,696               5,696           5,696          
Common stock forfeited and share cancellations (in shares)                     (36,296)     (31,074)            
Stock-based compensation 17,362               17,362           17,362          
Common stock issuance costs (284)               (284)           (284)          
Net loss (149,671)               (149,274)                   (149,274) (397)
Extinguishment of noncontrolling interest (in shares)                     1,484,267                  
Extinguishment of noncontrolling interest $ 0               9,765   $ 1       9,764         (9,765)
Ending balance, common stock (in shares) at May. 31, 2024 139,051,142                   144,083,944                  
Ending balance, common stock at May. 31, 2024 $ 124,830               $ 124,830   $ 144     $ (62) 374,738       (249,990) $ 0
Ending balance, treasury stock (in shares) at May. 31, 2024 (5,032,802)                         5,032,802            
Temporary equity outstanding (in shares) at May. 31, 2024       0 0 0 0                          
Temporary equity , ending balance at May. 31, 2024       $ 0 $ 0 $ 0 $ 0                          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                        
Shares issued in offering, net of costs (in shares)                     55,506,938                  
Shares issued in offering, net of costs $ 180,766                   $ 55       180,711          
Issuance of common stock from stock compensation plans (in shares)                     2,427,273                  
Issuance of common stock from stock compensation plans 0                   $ 3       (3)          
Tax payments for restricted stock upon vesting (4,116)                           (4,116)          
Conversions of debt / preferred stock (in shares)                       19,050,204 7,598,712              
Conversions of debt / preferred stock   $ 104,945 $ 48,350                 $ 19 $ 7     $ 104,926 $ 48,343      
Issuance of other common stock/ Preferred Stock, net of costs (in shares)                     628,541                  
Issuance of other common stock/ Preferred Stock, net of costs 519             $ 6     $ 1       518     $ 6    
Issuance of warrants, at fair value 136,292                           136,292          
Exercise of warrants (in shares)                     4,905,256                  
Exercise of warrants 0                   $ 5       (5)          
Preferred Stock Dividends (2,615)                           (2,615)          
Stock-based compensation 22,704                           22,704          
Share repurchase (in shares)                           (4,258,397)            
Share repurchase (31,342)                   $ (4)     $ (31,338)            
Purchase of capped call options (51,750)                           (51,750)          
Purchase of prepaid forward contract (52,736)                           (52,736)          
Reclass of debt conversion option 252,900                           252,900          
Net loss $ (231,065)                                   (231,065)  
Ending balance, common stock (in shares) at May. 31, 2025 224,909,669                   234,200,868                  
Ending balance, common stock at May. 31, 2025 $ 497,688                   $ 230     $ (31,400) $ 1,009,913       $ (481,055)  
Ending balance, treasury stock (in shares) at May. 31, 2025 (9,291,199)                         9,291,199            
Increase (Decrease) in Temporary Equity [Roll Forward]                                        
Issuance of Preferred Stock, net of costs (in shares)       301,673 53,191 62,500 78,000                          
Issuance of Preferred Stock, net of costs       $ 6,932 $ 48,350 $ 57,026 $ 72,094                          
Conversion of preferred stock (in shares)         (53,191)                              
Conversion of preferred stock         $ (48,350)                              
Redemption of preferred stock (in shares) (15)                                      
Redemption of preferred stock $ (15)                                      
Temporary equity outstanding (in shares) at May. 31, 2025       301,673 0 62,485 78,000                          
Temporary equity , ending balance at May. 31, 2025       $ 6,932 $ 0 $ 57,011 $ 72,094