INCOME TAX (Schedule of Income Tax Reconciliation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 04, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Domestic   $ (6,215) $ (9,634) $ 915
Foreign   (839) (2,268) 301
Income (loss) before income tax, as reported in the consolidated statements of operations   $ (7,054) $ (11,902) $ 1,216
Statutory tax rate in Israel 25.00% 24.00% 25.00% 26.50%
Theoretical tax expense (benefit)   $ (1,693) $ (2,976) $ 322
Current year carryforward losses and other differences for which a valuation allowance was recorded   0 0 2
Changes in valuation allowance   3,295 5,257 (211)
Gain from bargain purchase and non-recoverable withholding taxes   0 (1,516)  
Changes in foreign currency exchange rate and other differences   (1,870) 255 44
Changes in tax rate   414 828 0
Non-deductible expenses and other differences   (539) 243 40
Actual income tax expense (benefit)   $ (393) $ 2,091 $ 197