Condensed Consolidated Statements Of Changes In Stockholders' Equity And Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance, at Dec. 31, 2011	$ 4	$ 6,715	$ 6,925	$ 78,953	$ (1,035)	$ (7,132)	$ 84,430
Comprehensive income:
Net income				1,876			1,876
Change in pension plans					31		31
Change in post employment benefits					4		4
Change in translation adjustment on non-consolidated foreign subsidiary					11		11
Net losses from cash flow hedges					(286)		(286)
Losses from cash flow hedges reclassified to cost of sales					186		186
Losses from de-designated cash flow hedges reclassified to cost of sales					27		27
Ineffective portion of cash flow hedges reclassified to cost of sales					200		200
Dividends accrued				(914)			(914)
Share-based compensation			353				353
Cancellation of treasury stock				(7,132)		7,132
Balance, at Mar. 31, 2012	$ 4	$ 6,715	$ 7,278	$ 72,783	$ (862)		$ 85,918