Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue:
Product revenue, net	$ 2,647	$ 2,157	$ 8,070	$ 7,810
Other revenue	7	7	46	16
Net revenue	2,654	2,164	8,116	7,826
Operating expense:
Cost of revenue	1,858	1,648	5,581	5,555
Gross profit	796	516	2,535	2,271
Research and development expense	316	375	990	1,257
Selling, general and administrative expense	828	773	2,391	2,591
Loss from operations	(348)	(632)	(846)	(1,577)
Interest income			1	1
Interest expense	(1)	(2)	(4)	(11)
Other, net		1		18
Loss before provision for income taxes	(349)	(633)	(849)	(1,569)
Provisions for income taxes	0		0
Net loss	$ (349)	$ (633)	$ (849)	$ (1,569)
Net loss per share - basic and diluted	$ (0.01)	$ (0.02)	$ (0.03)	$ (0.06)
Weighted average number of basic and diluted common shares outstanding	28,481,496	28,468,162	28,481,496	28,467,686