v3.26.1
Commitments and contingencies (Details)
3 Months Ended 9 Months Ended
May 31, 2026
USD ($)
May 31, 2026
USD ($)
item
Credit facility    
Number of batteries committed to be purchased | item   192
Number of batteries purchased | item   33
Number of additional batteries committed to be purchased deposit made | item   63
Number of battery units in transit | item   11
Impairment charge $ 1,092,925 $ 1,092,925
Minimum purchase commitment 0 0
Floor plan financing with yamaha motor finance corporation    
Credit facility    
Irrevocable letter of credit (ILOC)   150,000
Revolving credit facility 300,000 300,000
Floor plan financing with shore premier finance    
Credit facility    
Irrevocable letter of credit (ILOC)   200,000
Revolving credit facility $ 4,000,000 $ 4,000,000