CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2009
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			$ (15,532)
Balance at Dec. 31, 2010	335	42,264	50,605	(613)	(5,832)	86,759
Balance (in shares) at Dec. 31, 2010	16,747,000				(1,707,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						(15,532)
Issuance of common stock upon the exercise of stock options	1	131				132
Issuance of common stock upon the exercise of stock options (in shares)	77,000
Issuance of restricted stock awards						1
Issuance of restricted stock awards (in shares)						40,000
Equity based compensation						595
Translation adjustments, net of tax						412
Balance at Dec. 31, 2011	337	42,990	35,073	(201)	(5,832)	72,367
Balance (in shares) at Dec. 31, 2011	16,864,000				(1,707,000)	15,156,584
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			(315)			(315)
Issuance of common stock upon the exercise of stock options	2	22			(2)	22
Issuance of common stock upon the exercise of stock options (in shares)					(1,000)	14,000
Issuance of restricted stock awards						2
Issuance of restricted stock awards (in shares)						160,000
Equity based compensation		649				649
Translation adjustments, net of tax				97		97
Balance at Dec. 31, 2012	$ 341	$ 43,661	$ 34,758	$ (104)	$ (5,834)	$ 72,822
Balance (in shares) at Dec. 31, 2012	17,038,000				(1,708,000)	15,330,718