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7. INCOME TAXES Net deferred tax asset (Details) - USD ($)	Sep. 30, 2016	Sep. 30, 2015
Income Taxes Net Deferred Tax Asset Details
Net operating loss carryforwards	$ 64,366,000	$ 61,363,000
R&D credit	1,221,000	1,221,000
Stock-based compensation	6,379,000	5,855,000
Fixed assets and intangibles	57,000	41,000
Capitalized R&D	18,508,000	15,082,000
Vacation and other	179,000	114,000
Loan modification	0	57,000
Total deferred tax assets	90,710,000	83,733,000
Valuation allowance	(90,710,000)	(83,733,000)
Net deferred tax asset	$ 0	$ 0

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