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OTHER BALANCE SHEETS SUPPLEMENTAL INFORMATION (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Other account payable and accrued expenses:    
Employees and payroll accruals $ 2,869 $ 3,814
Accrued expenses 840 711
Authorities 677 957
Advances from customers 386 863
Deferred income 97 254
Warranty provision 285 306
Accrued royalties 966 1,180
Other 291 246
Total other account payable and accrued expenses $ 6,411 $ 8,331