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G. PATENTS (Tables)
3 Months Ended
Dec. 31, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of total estimated future amortization
Nine months ending September 30, 2020   $ 39,000  
Year ending September 30,        
2021     49,000  
2022     45,000  
2023     35,000  
2024     27,000  
2025     24,000  
Thereafter     92,000  
Total   $ 311,000