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4. INTANGIBLE ASSETS AND GOODWILL (Details - Estimated amortization expense) - USD ($)
Sep. 30, 2020
Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
2021 $ 213,000  
2022 213,000  
2023 213,000  
2024 213,000  
2025 213,000  
Thereafter 466,000  
Total $ 1,531,000 $ 1,249,000