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Stock-Based Compensation - Warrants - Assumptions (Details) - USD ($)
Sep. 30, 2022
Sep. 30, 2021
Common Stock Warrants, Equity    
Assumptions    
Warrants, valuation technique us-gaap:ValuationTechniqueOptionPricingModelMember us-gaap:ValuationTechniqueOptionPricingModelMember
Common Stock Warrants, Equity, Subordinate Voting Share Warrants Denominated in Canadian Dollars | Measurement Input, Risk Free Interest Rate    
Assumptions    
Warrants. measurement input   0.0083
Common Stock Warrants, Equity, Subordinate Voting Share Warrants Denominated in Canadian Dollars | Measurement Input, Expected Term    
Assumptions    
Warrants. measurement input   0.0500
Common Stock Warrants, Equity, Subordinate Voting Share Warrants Denominated in Canadian Dollars | Measurement Input, Price Volatility    
Assumptions    
Warrants. measurement input   1.0000