CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 30,643	$ 26,663
Cost of goods sold	20,625	17,122
Gross profit	10,018	9,541
Operating expenses:
Selling expenses	3,378	2,649
General and administrative	5,635	4,410
Research and development	3,500	2,716
Operating expenses:	12,513	9,775
Loss from operations	(2,495)	(234)
Other expense:
Interest expense	(330)	(183)
Interest and other income	0	6
Nonoperating Income (Expense)	(330)	(177)
Loss before income taxes	(2,825)	(411)
Provision for income taxes	2,332	0
Net loss	(5,157)	(411)
Net loss per share, basic and diluted (in dollars per share)	$ (0.83)	$ (0.07)
Weighted average shares outstanding, basic and diluted (in shares)	6,216	6,210
Net loss	(5,157)	(411)
Changes in accumulated unrealized pension losses, net of taxes	321	(686)
Comprehensive loss	$ (4,836)	$ (1,097)