CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 378,924	$ 383,588	$ 316,113
Cost of sales	301,117	316,082	262,250
Gross profit	77,807	67,506	53,863
Selling, product development and administrative expenses	57,239	52,937	52,890
Gain on sale of product line	(810)	(1,619)	(2,542)
Operating income from continuing operations	21,378	16,188	3,515
Interest expense	365	880	854
Other expense (income), net	31	(94)	(110)
Income from continuing operations before income taxes	20,982	15,402	2,771
Income tax expense from continuing operations	4,176	6,355	872
Income from continuing operations	16,806	9,047	1,899
Income from discontinued operations, net	0	4,732	740
Net income	$ 16,806	$ 13,779	$ 2,639
Basic earnings per common share:
Continuing operations	$ 1.01	$ 0.54	$ 0.11
Discontinued operations	$ 0	$ 0.28	$ 0.04
Net income	$ 1.01	$ 0.82	$ 0.16
Weighted average common shares outstanding	16,717	16,753	16,672
Diluted earnings per common share:
Continuing operations	$ 0.99	$ 0.54	$ 0.11
Discontinued operations	$ 0	$ 0.28	$ 0.04
Net income	$ 0.99	$ 0.82	$ 0.16
Weighted average common shares and equivalents outstanding	16,973	16,896	16,788