STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
GRANT INCOME AND OTHER	$ 657,377	$ 264,033	$ 159,583
OPERATING EXPENSES:
Research and development (excluding R&D depreciation of $148,939, $172,442 and $253,072 respectively, included below)	20,949,208	17,000,145	12,681,049
Depreciation and amortization	206,750	231,752	364,124
General & administrative	13,797,964	10,606,248	6,982,686
Total operating expenses	34,953,922	27,838,145	20,027,859
OPERATING LOSS	(34,296,545)	(27,574,112)	(19,868,276)
GAIN ON DERIVATIVE INSTRUMENTS	282,616	248,767	10,750,666
LOSS ON DEBT EXTINGUISHMENT	(641,276)	0	0
INTEREST INCOME	110,544	122,854	117,086
INTEREST EXPENSE	(129,985)	(163,774)	(170,423)
NET LOSS	(34,674,646)	(27,366,265)	(9,170,947)
ISSUANCE OF ADDITIONAL SHARES DUE TO RESET PROVISIONS	0	(1,117,447)	0
MODIFICATIONS OF WARRANTS	0	0	(59,531)
NET LOSS AVAILABLE TO COMMON SHAREHOLDERS	$ (34,674,646)	$ (28,483,712)	$ (9,230,478)
NET LOSS PER COMMON SHARE
BASIC	$ (0.42)	$ (0.48)	$ (0.30)
DILUTED	$ (0.42)	$ (0.49)	$ (0.66)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
BASIC and DILUTED	82,519,027	58,804,622	30,279,442