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8. STOCK COMPENSATION Non-Qualified and Incentive Stock Option Plans (Details) - USD ($)
 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Outstanding    
Number of Options Outstanding, Beginning 7,537,685 6,831,149
Number of Options Granted 1,213,600 893,700
Number of Options Forfeited 55,998 116,665
Number of Options Expired 106,000 70,499
Number of Options Outstanding, Ending 8,589,287 7,537,685
Weighted Average Exercise Price Outstanding, Beginning $ 2.71 $ 2.98
Weighted Average Exercise Price Granted 0.48 0.66
Weighted Average Exercise Price Forfeited 0.86 1.87
Weighted Average Exercise Price Expired 5.8 4.15
Weighted Average Exercise Price Outstanding, Ending $ 2.37 $ 2.71
Weighted Average Remaining Contractual Life (in years) Outstanding, Beginning 5 years 11 months 23 days 6 years 6 months 18 days
Weighted Average Remaining Contractual Life (in years) Outstanding, Ending 5 years 4 months 6 days 5 years 11 months 23 days
Aggregate Intrinsic Value Outstanding, Beginning $ 50 $ 3,600
Aggregate Intrinsic Value Outstanding, Ending $ 0 $ 50
Exercisable    
Number of Options Outstanding, Beginning 4,526,742 3,443,884
Number of Options Vested 1,401,716 1,153,357
Number of Options Expired 106,000 70,499
Number of Options Outstanding, Ending 5,822,458 4,526,742
Weighted Average Exercise Price Outstanding, Beginning $ 3.15 $ 3.4
Weighted Average Exercise Price Vested 1.27 2.48
Weighted Average Exercise Price Expired 5.8 4.15
Weighted Average Exercise Price Outstanding, Ending $ 2.65 $ 3.15
Weighted Average Remaining Contractual Life (in years) Outstanding, Beginning 5 years 4 days 5 years 5 months 26 days
Weighted Average Remaining Contractual Life (in years) Outstanding, Ending 4 years 9 months 4 days 5 years 4 days
Aggregate Intrinsic Value Outstanding, Beginning $ 0 $ 3,600
Aggregate Intrinsic Value Outstanding, Ending $ 0 $ 0