Post-effective amendment to a registration statement that is not immediately effective upon filing

Consolidated Statement of Changes in Stockholders' Deficit

v3.25.3
Consolidated Statement of Changes in Stockholders' Deficit - USD ($)
$ in Thousands
Preferred stock
Common stock
Treasury stock
Additional paid-in capital
Accumulated deficit
Total
Beginning balance at May. 31, 2023   $ 919   $ 731,270 $ (841,690) $ (109,501)
Beginning balance (shares) at May. 31, 2023 34,000 919,053,000        
Beginning balance treasury stock (shares) at May. 31, 2023     443,000      
Issuance of stock for convertible note repayment   $ 34   5,216   5,250
Issuance of stock for convertible note repayment (in shares)   34,309,000        
Loss on induced conversion       6,680   6,680
Warrants issued in note offering       359   359
Note Conversion   $ 24   7,126   7,150
Note Conversion (in shares)   24,410,000        
Stock issued for compensation   $ 3   487   490
Stock issued for compensation (in shares)   2,608,000        
Stock issued for private offering   $ 76   21,621   21,697
Stock issued for private offering (in shares)   75,622,000        
Discount related to private offering modification       137   137
Warrant exercises   $ 3   297   300
Warrant exercises (in shares)   3,000,000        
Preferred stock dividends accrued       (1,483)   (1,483)
Reclassification of warrants from liability to equity classified       79   79
Stock-based compensation       1,925   1,925
Net (loss) income         (49,841) (49,841)
Ending balance at May. 31, 2024   $ 1,059   773,714 (891,531) $ (116,758)
Ending balance (shares) at May. 31, 2024 34,000 1,059,002,000        
Ending balance treasury stock (shares) at May. 31, 2024     443,000     443,000
Issuance of stock for convertible note repayment   $ 9   991   $ 1,000
Issuance of stock for convertible note repayment (in shares)   8,777,000        
Loss on induced conversion       1,180   1,180
Stock issued for tender offer   $ 152   13,874   14,026
Stock issued for tender offer (in shares)   152,505,000        
Issuance costs related to stock issued for tender offer       (3,649)   (3,649)
Dividends accrued on Series C and D convertible preferred stock       (372)   (372)
Stock-based compensation       136   136
Net (loss) income         19,227 19,227
Ending balance at Aug. 31, 2024   $ 1,220   785,874 (872,304) (85,210)
Ending balance (shares) at Aug. 31, 2024 34,000 1,220,284,000        
Ending balance treasury stock (shares) at Aug. 31, 2024     443,000      
Beginning balance at May. 31, 2024   $ 1,059   773,714 (891,531) $ (116,758)
Beginning balance (shares) at May. 31, 2024 34,000 1,059,002,000        
Beginning balance treasury stock (shares) at May. 31, 2024     443,000     443,000
Issuance of stock for convertible note repayment   $ 25   4,068   $ 4,093
Issuance of stock for convertible note repayment (in shares)   25,431,000        
Loss on induced conversion       1,180   1,180
Stock issued for tender offer   $ 153   13,873   14,026
Stock issued for tender offer (in shares)   152,505,000        
Issuance costs related to stock issued for tender offer       (3,649)   (3,649)
Stock option exercises   $ 1   105   106
Stock option exercises (in shares)   500,000        
Stock issued for compensation       100   100
Stock issued for compensation (in shares)   435,000        
Stock adjustment   $ (1)   1    
Stock adjustment (in shares)   (651,000) (157,000)      
Warrant exercises   $ 12   1,069   1,081
Warrant exercises (in shares)   12,238,000        
Preferred stock dividends accrued       (1,478)   (1,478)
Stock-based compensation       1,512   1,512
Net (loss) income         3,745 3,745
Ending balance at May. 31, 2025   $ 1,249   790,495 (887,786) $ (96,042)
Ending balance (shares) at May. 31, 2025 34,000 1,249,460,000        
Ending balance treasury stock (shares) at May. 31, 2025     286,000     286,000
Issuance of stock for convertible note repayment   $ 8   2,242   $ 2,250
Issuance of stock for convertible note repayment (in shares)   7,462,000        
Stock option exercises       21   21
Stock option exercises (in shares)   100,000        
Warrant exercises (in shares)   23,000        
Dividends accrued on Series C and D convertible preferred stock       (373)   (373)
Stock-based compensation       179   179
Net (loss) income         (5,540) (5,540)
Ending balance at Aug. 31, 2025   $ 1,257   $ 792,564 $ (893,326) $ (99,505)
Ending balance (shares) at Aug. 31, 2025 34,000 1,257,045,000        
Ending balance treasury stock (shares) at Aug. 31, 2025     286,000     286,000