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Commitments (Details) - Purchase Warrants [Member] - $ / shares
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance, at beginning 678,379 1,609,309
Issued   350,000
Exercised (8,750) (756,143)
Expired (319,629) (524,787)
Balance, at end 350,000 678,379
Share based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price [Roll Forward]    
Balance, at beginning $ 2.87 $ 2.66
Issued   4.19
Exercised 1.13 2.96
Expired 1.46 3.00
Balance, at end $ 4.19 $ 2.87