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Other Long-term Liabilities - Schedule of Leasehold Improvement Financing Repayments (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Other Liabilities Disclosure [Abstract]    
2017 $ 70  
2018 77  
2019 27  
2020 24  
2021 26  
Thereafter 39  
Long-term debt 263  
Less: current portion of long-term loans (70)  
Long-term loans, net of current portion $ 193 $ 254