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The following table provides a summary of leases by balance sheet category as of September 30, 2021 (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating right-of-use assets $ 5,201,000  
Operating lease liability - current 1,014,000 $ 524,000
Operating lease liability - non-current $ 4,265,000 $ 3,855,000