Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Other Accounts Receivable and Prepaid Expenses (Details)

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Other Accounts Receivable and Prepaid Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Other Accounts Receivable and Prepaid Expenses [Abstract]    
Government authorities $ 41 $ 66
Prepaid expenses and others 3,974 3,093
Total $ 4,015 $ 3,159