Commitments (Details) - Purchase Warrants [Member] - $ / shares	6 Months Ended	12 Months Ended
	Mar. 31, 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	(2,444,831)	(15,468,520)
Issued		1,075,000
Balance, at end	1,828,059	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	1.68	1.43
Issued		0.76
Balance, at end	$ 2.68	$ 2.11