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Other Non-Current Liabilities (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Assumed contingent liabilities, non-current $ 2,531,000 $ 2,263,000
Gain on remeasurement of contingent liability $ 0 $ 480,000