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G. PATENTS (Tables)
6 Months Ended
Mar. 31, 2020
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of total estimated future amortization
Six months ending September 30, 2020   $ 26,000  
Year ending September 30,        
2021     50,000  
2022     46,000  
2023     36,000  
2024     28,000  
2025     25,000  
Thereafter     101,000  
Total   $ 312,000