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Leases - Supplemental Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Leases  
Operating lease costs $ 400
Balance Sheet Information related to operating leases  
Operating lease ROU assets 758
Operating lease liabilities, current portion 291
Operating lease liabilities, long-term portion 477
Total operating lease liabilities 768
Cash Flow Information related to operating leases  
Cash paid for amounts included in the measurement of operating leases liabilities $ 432