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Shareholders' Equity - Outstanding warrants (Details) - USD ($)
 6 Months Ended 12 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Class of Warrant or Right [Line Items]    
Number of warrants outstanding, Beginning 1,612,694  
Number of warrants outstanding, End 1,612,694 1,612,694
Number of warrants exercisable 1,612,694  
Weighted average exercise price, Beginning $ 0.22  
Weighted average exercise price, End 0.20 $ 0.22
Weighted average exercise price exercisable $ 5.00  
Total intrinsic value, Beginning $ 354,793  
Total intrinsic value, End   $ 354,793
Weighted average remaining contractual life (in years) price, Outstanding   1 year 1 month 6 days
Weighted average remaining contractual life (in years) price, Issued 7 months 6 days  
Weighted average remaining contractual life (in years) exercisable 7 months 6 days