v3.26.1
Share capital (Details 1) - $ / shares
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Stock Options [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 5,344,789 4,524,884 4,880,288
Balance at beginning $ 2.58 $ 3.44 $ 2.52
Excercised (in shares) (1,157,005) (997,136) (18,000)
Exercised during the year $ 1.31 $ 3.45 $ 3.25
Expired during the year (in shares) (2,900) (10,598) (31,499)
Expired during the year $ 3.34 $ 3.56 $ 3.42
Granted (in shares) 370,000 1,897,000 514,000
Granted $ 3.37 $ 7.41 $ 2.50
Balance at ending (in shares) 4,524,884 5,414,150 5,344,789
Number of shares outstanding 4,524,884 5,414,150 5,344,789
Balance at ending $ 3.44 $ 4.76 $ 2.58
Number Of Exercisable   1,830,054 3,237,805
Weighted average exercise price   $ 3.37 $ 2.58
Stock Options 13 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 72,900    
Balance at ending (in shares)     72,900
Number of shares outstanding     72,900
Number Of Exercisable     72,900
Weighted average exercise price     $ 2.53
Weighted Average Remaining Contractual Life Of Outstanding Share Options     3 months
Stock Options1 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 484,000    
Balance at ending (in shares)   1,897,000 484,000
Number of shares outstanding   1,897,000 484,000
Number Of Exercisable   63,333 133,333
Weighted average exercise price   $ 7.41 $ 2.50
Weighted Average Remaining Contractual Life Of Outstanding Share Options   9 years 9 months 7 days 9 years 9 months 10 days
Stock Options 2 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 441,000    
Balance at ending (in shares)   504,000 441,000
Number of shares outstanding   504,000 441,000
Number Of Exercisable   270,221 205,007
Weighted average exercise price   $ 2.39 $ 3.44
Weighted Average Remaining Contractual Life Of Outstanding Share Options   8 years 9 months 10 days 8 years 9 months 3 days
Stock Options 3 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 1,002,000    
Balance at ending (in shares)   388,332 1,002,000
Number of shares outstanding   388,332 1,002,000
Number Of Exercisable   271,682 281,676
Weighted average exercise price   $ 3.29 $ 3.93
Weighted Average Remaining Contractual Life Of Outstanding Share Options   7 years 9 months 3 days 7 years 9 months 10 days
Stock Options 4 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 298,000    
Balance at ending (in shares)   956,332 298,000
Number of shares outstanding   956,332 298,000
Number Of Exercisable   356,332 298,000
Weighted average exercise price   $ 3.77 $ 2.09
Weighted Average Remaining Contractual Life Of Outstanding Share Options   6 years 9 months 10 days 6 years 11 months 19 days
Stock Options 5 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 20,000    
Balance at ending (in shares)   215,000 20,000
Number of shares outstanding   215,000 20,000
Number Of Exercisable   215,000 20,000
Weighted average exercise price   $ 2.01 $ 4.22
Weighted Average Remaining Contractual Life Of Outstanding Share Options   5 years 11 months 19 days 6 years 4 months 28 days
Stock Options 6 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 1,494,667    
Balance at ending (in shares)   20,000 1,494,667
Number of shares outstanding   20,000 1,494,667
Number Of Exercisable   20,000 694,667
Weighted average exercise price   $ 4.05 $ 3.67
Weighted Average Remaining Contractual Life Of Outstanding Share Options   5 years 5 months 1 day 6 years 2 months 12 days
Stock Options 7 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 270,268    
Balance at ending (in shares)   1,167,667 270,268
Number of shares outstanding   1,167,667 270,268
Number Of Exercisable   367,667 270,268
Weighted average exercise price   $ 3.52 $ 2.42
Weighted Average Remaining Contractual Life Of Outstanding Share Options   5 years 2 months 12 days 5 years 2 months 12 days
Stock Options 8 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 1,024,000    
Balance at ending (in shares)   98,518 1,024,000
Number of shares outstanding   98,518 1,024,000
Number Of Exercisable   98,518 1,024,000
Weighted average exercise price   $ 2.32 $ 1.10
Weighted Average Remaining Contractual Life Of Outstanding Share Options   4 years 2 months 12 days 4 years 29 days
Stock Options 9 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 116,566    
Balance at ending (in shares)   24,000 116,566
Number of shares outstanding   24,000 116,566
Number Of Exercisable   24,000 116,566
Weighted average exercise price   $ 1.06 $ 1.03
Weighted Average Remaining Contractual Life Of Outstanding Share Options   3 years 1 month 2 days 2 years 7 months 24 days
Stock Options 10 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 10,667    
Balance at ending (in shares)   47,180 10,667
Number of shares outstanding   47,180 10,667
Number Of Exercisable   47,180 10,667
Weighted average exercise price   $ 0.99 $ 4.48
Weighted Average Remaining Contractual Life Of Outstanding Share Options   1 year 7 months 24 days 2 years 1 month 2 days
Stock Options 11 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 101,121    
Balance at ending (in shares)   5,000 101,121
Number of shares outstanding   5,000 101,121
Number Of Exercisable   5,000 101,121
Weighted average exercise price   $ 4.29 $ 7.82
Weighted Average Remaining Contractual Life Of Outstanding Share Options   1 year 1 month 2 days 1 year 6 months
Stock Options 12 [Member]      
Statement [Line Items]      
Balance at beginning (in shares) 9,600    
Balance at ending (in shares)   91,121 9,600
Number of shares outstanding   91,121 9,600
Number Of Exercisable   91,121 9,600
Weighted average exercise price   $ 7.50 $ 2.90
Weighted Average Remaining Contractual Life Of Outstanding Share Options   6 months 7 months 13 days