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Intangible assets - Schedule of intangible assets (Details) - CAD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2022
Sep. 30, 2021
Disclosure of detailed information about intangible assets [line items]      
Beginning balance $ 0 $ 3,470,919 $ 644,702
Additions 163,230 1,176,664 83,228
Acquisition 481,472 194,000 2,906,219
Transferred to cost of sales     (107,854)
Amortization   (10,927)  
Recognition of open orders   (87,802)  
Impairment charge     (55,376)
Ending balance 644,702 4,742,854 3,470,919
TASCS System [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   0 163,230
Additions   0 0
Acquisition   0 0
Transferred to cost of sales     (107,854)
Amortization   0  
Recognition of open orders   0  
Impairment charge     (55,376)
Ending balance 163,230 0 0
Phantom System [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   564,700 481,472
Additions   584,885 83,228
Acquisition   0 0
Transferred to cost of sales     0
Amortization   0 0
Recognition of open orders   0  
Impairment charge     0
Ending balance 481,472 1,149,585 564,700
PARA OPS System [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   2,906,219 0
Additions   562,996 0
Acquisition   0 2,906,219
Transferred to cost of sales     0
Amortization   0 0
Recognition of open orders   0  
Impairment charge     0
Ending balance 0 3,469,215 2,906,219
PARA OPS Patent [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   0 0
Additions   28,783 0
Acquisition   0 0
Transferred to cost of sales     0
Amortization   0 0
Recognition of open orders   0  
Impairment charge     0
Ending balance 0 28,783 0
ARWEN Tradename [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   0 0
Additions   0 0
Acquisition   44,000 0
Transferred to cost of sales     0
Amortization   (6,968)  
Recognition of open orders   0  
Impairment charge     0
Ending balance 0 37,032 0
Customer Relationships [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   0 0
Additions   0 0
Acquisition   50,000 0
Transferred to cost of sales     0
Amortization   (3,959)  
Recognition of open orders   0  
Impairment charge     0
Ending balance 0 46,041 0
Purchase Orders [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance   0 0
Additions   0 0
Acquisition   100,000 0
Transferred to cost of sales     0
Amortization   0  
Recognition of open orders   (87,802)  
Impairment charge     0
Ending balance 0 $ 12,198 0
Development Costs [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0   163,230
Additions 163,230    
Acquisition 0    
Ending balance 163,230    
Technology assets [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0   $ 481,472
Additions 0    
Acquisition 481,472    
Ending balance $ 481,472