Taxes on Income (Details) - Significant components of the Company`s deferred income tax assets and liabilities - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Jun. 26, 2012
Deferred income tax asset:
Tax credit carryforwards	$ 897	$ 897
Operating loss carryforwards	6,253	5,772	$ 5,900
Net pension costs	2,749	3,052
Accruals	250	259
Allowance for bad debts	55	41
Other	415	402
Valuation allowance	(8,208)	(7,401)
Deferred income tax asset, Total	2,411	3,022
Deferred income tax liability:
Depreciation	1,600	2,320
Other	811	702
Deferred income tax liability, Total	$ 2,411	$ 3,022
Net deferred income taxes