CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 6,823	$ 8,610	$ 20,688	$ 22,921
Cost of goods sold	4,550	5,296	13,475	15,093
Gross profit	2,273	3,314	7,213	7,828
Operating expenses:
Selling	874	865	2,585	2,487
General and administrative	1,243	1,458	3,777	4,405
Research and development	780	815	2,471	2,652
Operating expenses	2,897	3,138	8,833	9,544
Earnings (loss) from operations	(624)	176	(1,620)	(1,716)
Other Expense: Interest expense (net)	(64)	(85)	(210)	(256)
Earnings (loss) before income taxes	(688)	91	(1,830)	(1,972)
Provision (benefit) for income taxes	0	0	0	0
Net earnings ( loss)	$ (688)	$ 91	$ (1,830)	$ (1,972)
Basic and diluted net earnings (loss) per share (in dollars per share)	$ (0.11)	$ 0.01	$ (0.29)	$ (0.32)
Basic and diluted weighted average shares outstanding (in shares)	6,216	6,216	6,216	6,216