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Revenue (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Revenue from Contract with Customer [Abstract]        
Revenue recognized $ 1,763,000 $ 2,516,000 $ 6,074,000 $ 6,539,000