Taxes on Income (Details) - Significant components of the Company`s deferred income tax assets and liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred income tax asset:
Tax credit carryforwards	$ 897	$ 897
Operating loss carryforwards	5,772	12,674
Net pension costs	3,052	3,426
Warrant liabilities		(624)
Accruals	259	314
Allowance for bad debts	41	9
Other	402	749
Valuation allowance	(7,401)	(13,069)
Deferred income tax asset, Total	3,022	4,376
Deferred income tax liability:
Depreciation	2,320	3,349
Other	702	1,027
Deferred income tax liability, Total	3,022	4,376
Net deferred income taxes