CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net sales	$ 3,849	$ 3,302	$ 7,431	$ 6,730
Cost of sales	2,497	2,022	4,874	4,125
Gross profit	1,352	1,280	2,557	2,605
Operating expenses:
Selling, general and administrative	1,431	986	2,848	1,952
Research and development	314	279	631	544
Total operating expenses	1,745	1,265	3,479	2,496
Operating (loss) income	(393)	15	(922)	109
Non-operating income (expense), net	81	52	282	16
Net (loss) income before income taxes	(312)	67	(640)	125
Income taxes	0	0	0	2
Net (loss) income	$ (312)	$ 67	$ (640)	$ 123
Basic (loss) income per common share (in dollars per share)	$ (0.02)	$ 0	$ (0.03)	$ 0.01
Diluted (loss) income per common share (in dollars per share)	$ (0.02)	$ 0	$ (0.03)	$ 0.01
Weighted average common shares outstanding (in shares)	20,578	19,406	20,545	19,406
Weighted average common shares outstanding, assuming dilution (in shares)	20,578	24,285	20,545	24,285