CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 6,719	$ 6,508
Cost of goods sold	4,231	4,597
Gross profit	2,488	1,911
Operating expenses:
Selling	826	800
General and administrative	1,220	1,597
Research and development	855	907
Operating expenses	2,901	3,304
Loss from operations	(413)	(1,393)
Other expense - interest expense (net)	(69)	(87)
Loss before income taxes	(482)	(1,480)
Provision (benefit) for income taxes	0	0
Net loss	$ (482)	$ (1,480)
Basic and diluted net loss per share (in dollars per share)	$ (0.08)	$ (0.24)
Basic and diluted weighted average shares outstanding (in shares)	6,216	6,216