6. INCOME TAXES (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011
Income Taxes Details
Net operating loss carryforwards	$ 56,664,358	$ 51,381,945
R&D credit	2,258,838	2,340,614
Stock-based compensation	2,455,231	1,597,790
Vacation and other	193,163	190,522
Deferred rent	1,278,863	991,091
Litigation liability		1,842,297
Total deferred tax assets	62,850,453	58,344,259
Derivative gain	(4,681,855)	(3,639,050)
Depreciation	(51,980)	(76,841)
Total deferred tax liabilities	(4,733,835)	(3,715,891)
Valuation allowance	(58,116,618)	(54,628,368)
Net deferred tax asset	$ 0	$ 0