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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Leases [Abstract]    
Cash paid for amounts included in the measurement of lease liabilities $ 116 $ 278
Operating cash flows from operating leases $ 101 $ 201