CONSOLIDATED STATEMENTS OF OPERATIONS - TWELVE MONTHS ENDED DECEMBER 31, 2011 AND REVISED TWELVE MONTHS ENDED DECEMBER 31, 2010 AND 2009 (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales	$ 383,588	$ 316,113	$ 239,732
Cost of sales	316,082	262,250	206,549
Gross profit	67,506	53,863	33,183
Selling, product development and administrative expenses	52,937	52,890	48,470
Gain on sale of product line, net	(1,619)	(2,542)
Operating income (loss) from continuing operations	16,188	3,515	(15,287)
Interest expense	880	854	814
Other income, net	(94)	(110)	(210)
Income (loss) from continuing operations before income taxes	15,402	2,771	(15,891)
Income tax expense (benefit) from continuing operations	6,355	872	(2,726)
Income (loss) from continuing operations	9,047	1,899	(13,165)
Income (loss) from discontinued operations, net	4,732	740	(1,650)
Net income (loss)	$ 13,779	$ 2,639	$ (14,815)
Basic earnings (loss) per common share:
Continuing operations	$ 0.54	$ 0.11	$ (0.79)
Discontinued operations	$ 0.28	$ 0.04	$ (0.10)
Net income (loss)	$ 0.82	$ 0.16	$ (0.89)
Weighted average common shares outstanding	16,753	16,672	16,567
Diluted earnings (loss) per common share:
Continuing operations	$ 0.54	$ 0.11	$ (0.79)
Discontinued operations	$ 0.28	$ 0.04	$ (0.10)
Net income (loss)	$ 0.82	$ 0.16	$ (0.89)
Weighted average common shares and equivalents outstanding	16,896	16,788	16,567