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Leases - Schedule of Supplemental Balance Sheet Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Operating Leases    
Operating lease right-of-use assets $ 676 $ 794
Restructured lease right-of-use assets 54 107
Operating lease right-of-use assets, total 730 901
Operating lease liabilities 781 916
Restructured lease liabilities 85 168
Operating lease liabilities, total 866 1,084
Finance Leases    
Property and equipment 13 13
Allowances for depreciation (10) (9)
Finance lease assets, net 3 4
Finance lease liabilities $ 3 $ 4