Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Statement [Abstract]
GRANT INCOME AND OTHER	$ 35,000	$ 77,403	$ 146,567	$ 784,036
OPERATING EXPENSES:
Research and development (excluding R&D depreciation of $109,867, $123,519, $338,350 and $359,343, respectively, included below)	2,469,166	2,924,771	7,519,586	9,231,296
Depreciation and amortization	109,718	148,148	391,571	434,436
General and administrative	1,669,214	1,850,228	5,154,141	5,377,078
Total operating expenses	4,248,098	4,923,147	13,065,298	15,042,810
OPERATING LOSS	(4,213,098)	(4,845,744)	(12,918,731)	(14,258,774)
OTHER EXPENSES	0	0	0	(12,000,000)
GAIN ON DERIVATIVE INSTRUMENTS	3,390,389	1,763,311	142,532	2,879,003
INTEREST INCOME	28,665	34,416	86,393	134,002
INTEREST EXPENSE	(41,402)	(66,238)	(220,812)	(149,042)
NET LOSS	(835,446)	(3,114,255)	(12,910,618)	(23,394,811)
ISSUANCE OF ADDITIONAL SHARES DUE TO RESET PROVISIONS	0	0	(250,000)	0
MODIFICATION OF WARRANTS	0	0	(325,620)	(1,068,369)
INDUCEMENT WARRANTS	0	0	(1,593,000)	0
NET LOSS AVAILABLE TO COMMON SHAREHOLDERS	$ (835,446)	$ (3,114,255)	$ (15,079,238)	$ (24,463,180)
NET LOSS PER COMMON SHARE-BASIC	$ 0.00	$ (0.01)	$ (0.06)	$ (0.12)
NET LOSS PER COMMON SHARE-DILUTED	$ 0.00	$ (0.02)	$ (0.06)	$ (0.12)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING-BASIC	258,467,582	208,402,408	244,738,972	206,860,979
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING-DILUTED	258,467,582	208,402,408	244,738,972	206,860,979