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F. PATENTS (Tables)
6 Months Ended
Mar. 31, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of total estimated future amortization
Six months ending September 30, 2019   $ 20,000  
Year ending September 30,        
2020     39,000  
2021     36,000  
2022     31,000  
2023     21,000  
2024     18,000  
Thereafter     78,000  
Total   $ 243,000