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Leases - Schedule of Financing Lease Right-of-use Assets and Liabilities (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Leases [Abstract]    
Finance lease right-of use assets at January 1, 2020 $ 41  
Depreciation of finance lease right-of-use assets (15)  
Finance lease right-of-use assets at September 30, 2020 26  
Finance lease liabilities at January 1, 2020 41  
Principal payments on finance lease liabilities as of September 30, 2020 (14) $ (39)
Finance lease liabilities at September 30, 2020 27  
Less non-current portion (4)  
Current portion at September 30, 2020 $ 23