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Revenue Recognition (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Revenue $ 3,493,000 $ 4,435,000 $ 14,975,000 $ 12,428,000
2021        
Revenue     29,000  
2022        
Revenue     116,000  
2023        
Revenue     $ 60,000