CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net sales	$ 96,754	$ 101,673
Cost of sales	77,513	83,668
Gross profit	19,241	18,005
Selling, product development and administrative expenses	14,244	13,870
Gain on sale of product line, net	(405)	(405)
Operating income	5,402	4,540
Interest expense	90	210
Other expense, net	43	43
Income from continuing operations before income taxes	5,269	4,287
Income tax expense	1,357	1,655
Income from continuing operations	3,912	2,632
Income from discontinued operations, net of tax of $137		248
Net income	$ 3,912	$ 2,880
Basic earnings per share:
Continuing operations	$ 0.23	$ 0.16
Discontinued operations		$ 0.01
Net income	$ 0.23	$ 0.17
Diluted earnings per share:
Continuing operations	$ 0.23	$ 0.16
Discontinued operations		$ 0.01
Net income	$ 0.23	$ 0.17
Weighted average number of common shares outstanding:
Basic	16,828	16,735
Diluted	16,981	16,838