Income Tax Provision - Deferred tax assets (liabilities) (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Inventories	$ 333	$ 319
Accrued employee compensation and benefit costs	458	316
Operating loss and credit carryforwards	297	252
Other	64	73
Minimum pension liability	14	44
Total deferred tax assets	1,166	1,004
Valuation allowance	(279)	(233)
Net deferred tax asset	887	771
Property, plant and equipment	(622)	(436)
Total deferred tax liabilities	(622)	(436)
Net deferred tax asset	$ 265	$ 335