8. STOCK COMPENSATION Assumptions (Details)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Stock Compensation Assumptions Details
Expected stock price volatility, min	75.58%	73.38%	72.81%
Expected stock price volatility, max	80.90%	86.19%	86.87%
Risk-free interest rate, min	0.71%	0.93%	0.59%
Risk-free interest rate, max	1.56%	2.35%	2.65%
Expected life of options, min	3 years	3 years	3 years
Expected life of options, max	9 years 8 months 8 days	9 years 9 months 4 days	9 years 9 months 4 days
Expected dividend yield	0.00%	0.00%	0.00%