STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue:
Product revenue, net	$ 2,848	$ 2,677	$ 5,423	$ 5,653
Other revenue	30	6	39	9
Net revenue	2,878	2,683	5,462	5,662
Operating expense:
Cost of revenue	1,846	1,834	3,723	3,907
Gross profit	1,032	849	1,739	1,755
Research and development expense	336	453	673	882
Selling, general and administrative expense	765	857	1,563	1,818
Loss from operations	(69)	(461)	(497)	(945)
Interest income			1	1
Interest expense	(1)	(2)	(3)	(9)
Other, net		11		17
Loss before provision for income taxes	(70)	(452)	(499)	(936)
Provisions for income taxes	0		0
Net loss	$ (70)	$ (452)	$ (499)	$ (936)
Net loss per share - basic and diluted	$ 0.00	$ (0.02)	$ (0.02)	$ (0.03)
Weighted average number of basic and diluted common shares outstanding	28,481,496	28,468,162	28,481,496	28,467,444