CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 8,610	$ 7,004	$ 22,921	$ 20,208
Cost of goods sold	5,296	4,573	15,093	13,026
Gross profit	3,314	2,431	7,828	7,182
Operating expenses:
Selling	865	687	2,487	1,947
General and administrative	1,458	1,068	4,405	3,334
Research and development	815	684	2,652	2,023
Operating Expenses	3,138	2,439	9,544	7,304
Earnings (loss) from operations	176	(8)	(1,716)	(122)
Other Expense:
Interest expense (net)	(85)	(42)	(256)	(139)
Earnings (loss) before income taxes	91	(50)	(1,972)	(261)
Provision (benefit) for income taxes	0	0	0	0
Net earnings (loss)	$ 91	$ (50)	$ (1,972)	$ (261)
Basic and diluted net earnings (loss) per share (in dollars per share)	$ 0.01	$ (0.01)	$ (0.32)	$ (0.04)
Basic weighted average shares outstanding (in shares)	6,216	6,212	6,216	6,209
Diluted weighted average shares outstanding (in shares)	6,263	6,212	6,216	6,212