CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Revenues	$ 110,941	$ 80,591
Cost of products sold	77,410	57,899
Gross margin	33,531	22,692
Operating costs and expenses:
Selling	5,626	3,872
General and administrative	12,639	9,938
Engineering and development	5,983	4,044
Adjustment to contingent consideration	(1,101)
Amortization of intangible assets	732	551
Insurance recoveries		(685)
Total operating costs and expenses	23,879	17,720
Operating income	9,652	4,972
Other expense (income):
Interest expense	84	3
Other expense (income), net	49	(197)
Total other expense (income), net	133	(194)
Income before income taxes	9,519	5,166
Provision for income taxes	(2,552)	(1,581)
Net income	$ 6,967	$ 3,585
Basic net income per share:
Net income per share (in dollars per share)	$ 0.83	$ 0.45
Basic weighted average common shares (in shares)	8,437	7,891
Diluted net income per share:
Net income per share (in dollars per share)	$ 0.81	$ 0.45
Diluted weighted average common shares (in shares)	8,575	8,038