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Leases - Schedule of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Leases [Abstract]    
Operating lease cost $ 116 $ 116
Finance lease cost Amortization of assets 2 2
Finance lease cost Interest on finance lease obligations 1 1
Total net lease cost $ 119 $ 119