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H. PATENTS (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
H. Patents Details Narrative        
Patent impairment charges $ 0 $ 0 $ 0 $ 0
Amortization of patent costs $ 9,000 $ 10,000 $ 19,000 $ 19,000