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Other Current Receivables (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Governmental institutes $ 175 $ 251
Prepaid expenses 207 194
Other receivables 89 37
Other current receivables $ 471 $ 482