Condensed Consolidated Statements of Stockholders Equity (USD $)	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total
Beginning Balance, Amount at Sep. 30, 2009	$ 1,919,720	$ 173,017,978	$ (166,097,054)	$ 8,840,644
Beginning Balance, Shares at Sep. 30, 2009	191,972,021
401 (k) contributions paid in common stock, Shares	182,233
401 (k) contributions paid in common stock, Amount	1,822	110,503		112,325
Exercise of warrants and stock options, Shares	12,249,441
Exercise of warrants and stock options, Amount	122,495	6,186,379		6,308,874
Stock issued to nonemployees for service, Shares	465,158
Stock issued to nonemployees for service, Amount	4,652	1,236,374		1,241,026
Exercise of derivative liabilities		5,510,490		5,510,490
Extension of options issued to consultants		15,477		15,477
Extension of options issued to employees		212,444		212,444
Employee option cost		1,316,399		1,316,399
Adoption of ASC 815-40			(6,186,343)	(6,186,343)
Net income			10,483,429	10,483,429
Ending Balance, Amount at Sep. 30, 2010	2,048,689	187,606,044	(161,799,968)	27,854,765
Ending Balance, Shares at Sep. 30, 2010	204,868,853
Sale of Stock, Shares	7,424,982
Sale of Stock, Amount	74,250	3,862,034		3,936,284
401 (k) contributions paid in common stock, Shares	294,309
401 (k) contributions paid in common stock, Amount	2,943	147,922		150,865
Exercise of warrants and stock options, Shares	1,786,599
Exercise of warrants and stock options, Amount	17,866	661,722		679,588
Stock issued to nonemployees for service, Shares	348,280
Stock issued to nonemployees for service, Amount	3,482	210,641		214,123
Dissmissal of liability for overpayment		81,395		81,395
Exercise of derivative liabilities		202,830		202,830
Extension of options issued to consultants		30,186		30,186
Extension of options issued to employees		105,802		105,802
Employee option cost		1,535,329		1,535,329
Net income			(25,712,343)	(25,712,343)
Ending Balance, Amount at Sep. 30, 2011	2,147,230	194,443,905	(187,512,311)	9,078,824
Ending Balance, Shares at Sep. 30, 2011	214,723,023
Sale of Stock, Shares	46,166,668
Sale of Stock, Amount	461,666	13,827,852		14,289,518
Issuance of warrants in connection with sale of common stock		(6,706,667)		(6,706,667)
401 (k) contributions paid in common stock, Shares	426,265
401 (k) contributions paid in common stock, Amount	4,263	150,253		154,516
Exercise of warrants and stock options, Shares	10,191,195
Exercise of warrants and stock options, Amount	101,912	2,562,627		2,664,539
Stock issued to nonemployees for service, Shares	1,606,181
Stock issued to nonemployees for service, Amount	16,062	542,230		558,292
Exercise of derivative liabilities		122,367		122,367
Extension of options issued to consultants		54,789		54,789
Extension of options issued to employees		36,990		36,990
Employee option cost		2,229,326		2,229,326
Non-employee option cost		22,248		22,248
Net income			(15,477,310)	(15,477,310)
Ending Balance, Amount at Sep. 30, 2012	$ 2,731,133	$ 207,285,920	$ (202,989,621)	$ 7,027,432
Ending Balance, Shares at Sep. 30, 2012	273,113,332