CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net sales	$ 7,004	$ 9,151	$ 20,208	$ 23,011
Cost of goods sold	4,573	5,686	13,026	13,480
Gross profit	2,431	3,465	7,182	9,531
Operating expenses:
Selling	687	792	1,947	2,577
General and administrative	1,068	1,245	3,334	3,503
Research and development	684	653	2,023	1,886
Operating Expenses	2,439	2,690	7,304	7,966
Earnings (loss) from operations	(8)	775	(122)	1,565
Other Expense: Interest expense (net)	(42)	(54)	(139)	(148)
Earnings (loss) before income taxes	(50)	721	(261)	1,417
Provision (benefit) for income taxes	0	0	0	0
Net earnings (loss)	$ (50)	$ 721	$ (261)	$ 1,417
Basic and diluted net earnings (loss) per share (in dollars per share)	$ (0.01)	$ 0.12	$ (0.04)	$ 0.23
Basic and diluted weighted average shares outstanding (in shares)	6,212	6,192	6,209	6,192