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Supplementary Balance Sheet Information (Details) - Schedule of accounts payable and accruals - other - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Schedule of accounts payable and accruals - other [Abstract]    
Payroll and related expenses $ 801 $ 797
Government institutions 370 415
Accrued vacation pay 101 91
Accrued expenses and sundry 636 515
Accounts payable and accruals - other $ 1,908 $ 1,818