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Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Employee-related liabilities $ 67 $ 64
Amounts due to certain government institution 220 56
Other current liabilities 468 330
Total Accrued Liabilities $ 755 $ 450