STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
GRANT INCOME AND OTHER	$ 264,033	$ 159,583	$ 254,610
OPERATING EXPENSES:
Research and development (excluding R&D depreciation of $172,442, $253,072 and $445,710 respectively, included below)	17,000,145	12,681,049	10,368,695
Depreciation and amortization	231,752	364,124	533,468
General & administrative	10,606,248	6,982,686	6,595,287
Total operating expenses	27,838,145	20,027,859	17,497,450
OPERATING LOSS	(27,574,112)	(19,868,276)	(17,242,840)
GAIN ON DERIVATIVE INSTRUMENTS	248,767	10,750,666	1,911,683
INTEREST INCOME	122,854	117,086	116,061
INTEREST EXPENSE	(163,774)	(170,423)	(262,214)
NET LOSS	(27,366,265)	(9,170,947)	(15,477,310)
ISSUANCE OF ADDITIONAL SHARES DUE TO RESET PROVISIONS	(1,117,447)	0	(250,000)
MODIFICATIONS OF WARRANTS	0	(59,531)	(325,620)
INDUCEMENT WARRANTS	0	0	(1,593,000)
NET LOSS AVAILABLE TO COMMON SHAREHOLDERS	$ (28,483,712)	$ (9,230,478)	$ (17,645,930)
NET LOSS PER COMMON SHARE
BASIC	$ (0.48)	$ (0.30)	$ (0.70)
DILUTED	$ (0.49)	$ (0.66)	$ (0.78)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
BASIC and DILUTED	58,804,622	30,279,442	25,183,654