v3.26.1
Share capital - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 07, 2025
USD ($)
May 31, 2026
USD ($)
shares
Feb. 28, 2026
USD ($)
shares
Feb. 28, 2026
$ / shares
May 31, 2025
USD ($)
shares
Feb. 28, 2025
USD ($)
shares
Feb. 28, 2025
$ / shares
May 31, 2026
USD ($)
shares
May 31, 2026
USD ($)
$ / shares
shares
May 31, 2025
USD ($)
shares
May 31, 2026
$ / shares
Share capital                      
Stock options granted | shares   0     0            
Stock-based compensation | $   $ (674) $ (3,096)   $ (512) $ (2,258)          
Non-vested stock options outstanding | shares   9,835,250           9,835,250 9,835,250    
Weighted average exercise price outstanding | $ / shares                     $ 2.01
Stock option expense not yet recognized | $   $ 1,600           $ 1,600 $ 1,600    
Period for recognition of stock compensation expense               19 months      
Exercise of options, Number of shares | shares               253,334   350,000  
Stock options granted, weighted average exercise price | $ / shares                 $ 1.49    
Amount reclassified from additional paid-in capital related to stock-based compensation to common stock | $               $ 100      
Aggregate intrinsic value, vested options | $   $ 29,600     $ 4,000     29,600 $ 29,600 $ 4,000  
Aggregate intrinsic value, options exercised | $               $ 900   300  
Number of shares, conversion | shares               1      
Equity distribution program, aggregate offering amount | $ $ 200,000                    
Share capital                      
Share capital                      
Exercise of options, Number of shares | shares   100,000 153,334   86,667 263,333   253,334      
Shares issued from Restricted Share Units, Number of shares | shares   100,000 1,148,007   119,906 2,647,945   1,248,007      
Unvested stock options                      
Share capital                      
Non-vested stock options outstanding | shares   1,435,005           1,435,005 1,435,005    
Weighted average exercise price outstanding | $ / shares                     $ 4.67
Stock option                      
Share capital                      
Stock-based compensation | $   $ 500     $ 100     $ 2,700   900  
RSUs and DSUs                      
Share capital                      
Stock-based compensation | $   $ 200     $ 200     $ 1,000   $ 1,600  
Employees, consultants and directors                      
Share capital                      
Vesting period     2 years     2 years          
Stock options granted | shares     1,655,000     2,125,000          
Weighted-average exercise price | $ / shares       $ 6.53     $ 1.52        
Stock options granted, expiration period     5 years     5 years          
Stock options granted, weighted average fair value | $ / shares       $ 2.49     $ 0.59