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Leases - Schedule of Financing Lease Right-of-use Assets and Liabilities (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
Leases [Abstract]  
Initial measurement at January 1, 2019 $ 80
Less depreciation of financing lease right-of-use assets (33)
Financing lease right-of-use assets at September 30, 2019 47
Initial measurement at January 1, 2019 86
Less principal payments on financing lease liabilities (39)
Financing lease liabilities as of September 30, 2019 47
Less non-current portion (25)
Current portion at September 30, 2019 $ 22