6. INCOME TAXES (Tables)

12 Months Ended

Sep. 30, 2012

Income Taxes Tables

1. Schedule of Deferred taxes

		2012			2011
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	$	—		$	—

2. Schedule of reconciliation of rates

	2012		2011		2010
Federal Rate	34.00	%	34.00	%	34.00	%
State tax rate, net of federal benefit	5.21		3.22		5.91
State tax rate change	18.07		12.06		0.00
Other adjustments	(0.53	)	(0.04	)	0.00
Expired tax attributes	(33.54	)	0.00		0.00
Nondeductible expenses	(0.68	)	(0.48	)	0.02
Expiration of NOL	(33.54	)	0.00		0.00
Valuation allowance	(22.53	)	(24.64	)	(39.93	)
Effective tax rate	0.00	%	0.00	%	0.00	%