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Capital Lease Obligations - Summary of Future Minimum Lease Payments under Capital Lease Agreement (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Capital Lease Obligations [Abstract]    
2017 $ 677  
2018 658  
2019 465  
Capital leases, future minimum payment, total 1,800  
Less: Interest (71)  
Present value of minimum lease payments 1,729  
Less: Current portion (677)  
Long-term portion $ 1,052 $ 200