v3.26.1
Financial risk management and fair value measurement (Details)
May 31, 2026
item
Series A and Series B Convertible Preferred Stock | Volatility  
Financial risk management and fair value measurement  
Percentage of fair value of derivative liability on volatility rate 70.00%
Nautical Ventures Group Inc. | Derivative (option) portion  
Financial risk management and fair value measurement  
Number of convertible notes issued or issuable 3
Nautical Ventures Group Inc. | Subsequent Convertible Note | Derivative (option) portion | Probability of issuance  
Financial risk management and fair value measurement  
Level 3 valuation inputs (in %) 50
Derivatives | Minimum | Volatility  
Financial risk management and fair value measurement  
Percentage of fair value of derivative liability to determine remaining contractual life 75.00%
Derivatives | Maximum | Volatility  
Financial risk management and fair value measurement  
Percentage of fair value of derivative liability to determine remaining contractual life 125.00%
Derivatives | Series A and Series B Convertible Preferred Stock | Volatility  
Financial risk management and fair value measurement  
Percentage of fair value of derivative liability on volatility rate 75.00%