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Intangible Assets (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense of intangible asset $ 51,000 $ 58,000 $ 152,000 $ 167,000