General form for registration of securities under the Securities Act of 1933

Segment Information (Details)

v3.26.1
Segment Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Feb. 28, 2026
Nov. 30, 2025
Aug. 31, 2025
Feb. 28, 2025
Nov. 30, 2024
Aug. 31, 2024
Feb. 28, 2026
Feb. 28, 2025
May 31, 2025
May 31, 2024
Operating expenses:                    
Legal settlement loss             $ 16,587      
Total operating expenses             32,936 $ (14,727) $ (9,661) $ 18,058
Operating (loss) gain             (32,936) 14,727 9,661 (18,058)
Interest income             166 441 565 217
Interest on convertible notes             (1,934) (3,469) (4,424) (4,659)
Amortization of discount on convertible notes               (348) (407) (1,076)
Standby equity purchase agreement commitment fee             $ (325)      
Number of reportable segments not disclosed             true      
Amortization of debt issuance costs                   (572)
Issuance costs for private placement of shares and warrants through placement agent (Note 5)             $ (1,628)     (2,819)
Legal settlement revaluation             3,842      
Loss on induced conversion               (1,180) (1,180) (6,680)
Finance charges             (22) (25) (25) (2,584)
Loss on note extinguishment                   (13,374)
Gain on restructuring of payables               407 407  
Loss on derivatives               (852) (852) (236)
Net (loss) income $ (4,690) $ (22,607) $ (5,540) $ (4,758) $ (4,768) $ 19,227 (32,837) 9,701 3,745 (49,841)
Share based compensation recognized in general and administrative expense             300 600 800 2,400
Share based compensation recognized in research and development expense             500 400 800 0
Single reporting segment                    
Operating expenses:                    
Net (loss) income             (32,837) 9,701    
Single reporting segment | Operating segment                    
Operating expenses:                    
General and administrative expense             4,890 4,785 6,434 8,403
Research and development             10,652 4,460 7,278 7,240
Clinical expenses             (25,000) (24,985) (24,985)  
Legal settlement loss             16,587      
Stock-based compensation expense             807 1,013 1,612 2,415
Total operating expenses             32,936 (14,727)    
Operating (loss) gain             (32,936) 14,727 9,661 (18,058)
Interest income             166 441 565 217
Interest on convertible notes             (1,934) (3,469) (4,424) (4,659)
Amortization of discount on convertible notes               (348) (407) (1,076)
Standby equity purchase agreement commitment fee             (325)      
Amortization of debt issuance costs                   (572)
Issuance costs for private placement of shares and warrants through placement agent (Note 5)             (1,628)     (2,819)
Legal settlement revaluation             3,842      
Loss on induced conversion               (1,180) (1,180) (6,680)
Finance charges             (22) (25) (25) (2,584)
Loss on note extinguishment                   (13,374)
Gain on restructuring of payables               407 407  
Loss on derivatives               (852) (852) (236)
Net (loss) income             $ (32,837) $ 9,701 $ 3,745 $ (49,841)