Consolidated Statements of Operations (USD $)	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
REVENUE:
GRANT INCOME AND OTHER	$ 956,154	$ 153,300	$ 80,093
OPERATING EXPENSES:
Research and development (excluding R&D depreciation of $438,738, $434,030 and $329,866 respectively, included below)	11,745,629	11,911,626	6,011,750
Depreciation and amortization	531,316	516,117	417,205
General and administrative	6,664,883	6,285,810	5,671,595
Total operating expenses	18,941,828	18,713,553	12,100,550
LOSS FROM OPERATIONS	(17,985,674)	(18,560,253)	(12,020,457)
OTHER EXPENSES	(12,000,000)	0	0
GAIN (LOSS) ON DERIVATIVE INSTRUMENTS	4,432,148	28,843,772	(28,491,650)
INTEREST INCOME	164,163	362,236	0
INTEREST EXPENSE	(322,980)	(162,326)	(397,923)
NET (LOSS) INCOME	(25,712,343)	10,483,429	(40,910,030)
MODIFICATION OF WARRANTS	(1,068,369)	(1,532,456)	(490,728)
NET (LOSS) INCOME AVAILABLE TO COMMON SHAREHOLDERS	$ (26,780,712)	$ 8,950,973	$ (41,400,758)
NET (LOSS) INCOME PER COMMON SHARE-BASIC	$ (0.13)	$ 0.04	$ (0.31)
NET LOSS PER COMMON SHARE-DILUTED	$ (0.15)	$ (0.06)	$ (0.31)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING-BASIC	208,488,987	202,102,859	133,535,050
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING-DILUTED	208,488,987	202,102,859	133,535,050