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Commitments (Details) - Purchase Warrants [Member] - $ / shares
 9 Months Ended 12 Months Ended
Jun. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance, at beginning 4,272,890 18,728,910
Expired   (62,500)
Exercised (2,463,581) (15,468,520)
Issued   1,075,000
Balance, at end 1,809,309 4,272,890
Share based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price [Rollforward]    
Balance, at beginning $ 2.11 $ 1.59
Expired   1.40
Exercised 1.67 1.43
Issued   0.76
Balance, at end $ 2.70 $ 2.11