6. INCOME TAXES Net deferred tax asset (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013
Income Taxes Net Deferred Tax Asset Details
Net operating loss carryforwards	$ 55,229,799	$ 50,485,248
R&D credit	1,221,487	1,221,487
Stock-based compensation	4,054,450	3,323,353
Fixed assets and intangibles	26,329	0
Capitalized R&D	9,897,041	5,542,816
Vacation and other	108,891	270,121
Total deferred tax assets	70,537,997us-gaap_DeferredTaxAssetsGross	60,843,025us-gaap_DeferredTaxAssetsGross
Fixed assets and intangibles	0	(1,968)
Total deferred tax liabilities	0us-gaap_DeferredTaxLiabilities	(1,968)us-gaap_DeferredTaxLiabilities
Valuation allowance	(70,537,997)	(60,841,057)
Net deferred tax asset	$ 0us-gaap_DeferredTaxAssetsNet	$ 0us-gaap_DeferredTaxAssetsNet

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