v3.26.1
Segment information - Segment results (Details) - USD ($)
 3 Months Ended 9 Months Ended
May 31, 2026
May 31, 2025
May 31, 2026
May 31, 2025
Segment information        
Segment revenues $ 18,371,221 $ 210,708 $ 48,595,549 $ 387,927
Segment gross profit (loss) 3,188,297 25,210 11,784,104 (14,904)
Research and development 49,739 528,777 268,752 1,276,326
Office salaries and benefits 2,340,352 512,525 7,471,800 1,538,915
Selling and marketing expenses 2,154,069 740,666 5,600,296 1,891,794
Professional fees 630,275 499,256 1,895,695 1,937,474
Office and general [note 7] 2,489,407 321,127 5,513,846 925,587
Share-based compensation 21,035 8,440 65,146 31,660
Depreciation and amortization 851,945 95,651 2,494,634 263,556
Net finance expense (income) 369,484 2,435,885 387,472 948,432
Segment expenses 8,906,306 5,142,327 23,697,641 8,813,744
Segment loss before taxes (5,718,009) (5,117,117) (11,913,537) (8,828,648)
Sales of boats        
Segment information        
Segment revenues 16,866,555 114,971 44,253,343 227,512
Sales of parts and boat maintenance        
Segment information        
Segment revenues 1,441,469 7,028 4,099,321 36,788
Boat rental and boat club membership revenue        
Segment information        
Segment revenues 63,197 31,405 157,984 66,323
Sale of powertrain systems        
Segment information        
Segment revenues   57,304 84,901 57,304
Vision Marine Segment        
Segment information        
Segment revenues 396,120 210,708 976,012 387,927
Segment gross profit (loss) 30,845 25,210 108,260 (14,904)
Research and development 49,739 528,777 268,752 1,276,326
Office salaries and benefits 800,346 512,525 2,041,685 1,538,915
Selling and marketing expenses 646,989 740,666 1,772,077 1,891,794
Professional fees 551,152 499,256 1,576,658 1,937,474
Office and general [note 7] 1,342,051 321,127 2,061,023 925,587
Share-based compensation 21,035 8,440 65,146 31,660
Depreciation and amortization 88,332 95,651 294,152 263,556
Net finance expense (income) (97,561) 2,435,885 (1,813,596) 948,432
Segment expenses 3,402,083 5,142,327 6,265,897 8,813,744
Segment loss before taxes (3,371,238) (5,117,117) (6,157,637) (8,828,648)
Vision Marine Segment | Sales of boats        
Segment information        
Segment revenues 325,945 114,971 706,266 227,512
Vision Marine Segment | Sales of parts and boat maintenance        
Segment information        
Segment revenues 14,388 7,028 52,775 36,788
Vision Marine Segment | Boat rental and boat club membership revenue        
Segment information        
Segment revenues 55,787 31,405 132,070 66,323
Vision Marine Segment | Sale of powertrain systems        
Segment information        
Segment revenues   $ 57,304 84,901 $ 57,304
NVG Segment        
Segment information        
Segment revenues 17,975,101   47,619,537  
Segment gross profit (loss) 3,157,452   11,675,844  
Office salaries and benefits 1,540,006   5,430,115  
Selling and marketing expenses 1,507,080   3,828,219  
Professional fees 79,123   319,037  
Office and general [note 7] 1,147,356   3,452,823  
Depreciation and amortization 763,613   2,200,482  
Net finance expense (income) 467,045   2,201,068  
Segment expenses 5,504,223   17,431,744  
Segment loss before taxes (2,346,771)   (5,755,900)  
NVG Segment | Sales of boats        
Segment information        
Segment revenues 16,540,610   43,547,077  
NVG Segment | Sales of parts and boat maintenance        
Segment information        
Segment revenues 1,427,081   4,046,546  
NVG Segment | Boat rental and boat club membership revenue        
Segment information        
Segment revenues $ 7,410   $ 25,914