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Leases - Future Minimum Operating Lease Payments (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Remainder of 2020 $ 409  
2021 1,430  
2022 1,335  
2023 495  
2024 and thereafter 612  
Total minimum lease payments 4,281  
Less amount representing interest (385)  
Present value of net minimum operating lease payments 3,896  
Less current installments of obligation under current-operating lease liabilities 1,316 $ 2,831
Obligations under long-term operating lease liabilities, excluding current installments $ 2,580 $ 3,482
Weighted-average remaining lease term - operating leases 3 years 5 months 4 days  
Weighted-average discount rate - operating leases 5.50%