CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net sales	$ 7,146	$ 7,803	$ 13,865	$ 14,311
Cost of goods sold	4,694	5,200	8,925	9,797
Gross profit	2,452	2,603	4,940	4,514
Operating expenses:
Selling	885	822	1,711	1,622
General and administrative	1,314	1,350	2,534	2,947
Research and development	836	930	1,691	1,837
Operating expenses	3,035	3,102	5,936	6,406
Loss from operations	(583)	(499)	(996)	(1,892)
Other Expense: Interest expense (net)	(77)	(84)	(146)	(171)
Loss before income taxes	(660)	(583)	(1,142)	(2,063)
Provision (benefit) for income taxes	0	0	0	0
Net loss	$ (660)	$ (583)	$ (1,142)	$ (2,063)
Basic and diluted net loss per share (in dollars per share)	$ (0.11)	$ (0.09)	$ (0.18)	$ (0.33)
Basic and diluted weighted average shares outstanding (in shares)	6,216	6,216	6,216	6,216