Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statements of Operations [Abstract]
Net revenues	$ 1,084	$ 1,974	$ 1,632	$ 3,138
Cost of revenues	662	494	678	743
Gross margin	422	1,480	954	2,395
Operating expenses:
Product research and development	1,441	1,478	3,075	2,165
Sales and marketing	893	1,718	1,698	2,517
General and administrative	1,189	1,691	2,841	2,686
Total operating expenses	3,523	4,887	7,614	7,368
Loss before provision for income taxes	(3,101)	(3,407)	(6,660)	(4,973)
Provision for income taxes	19	20	30	42
Net loss	$ (3,120)	$ (3,427)	$ (6,690)	$ (5,015)
Loss per common share:
Basic and diluted loss per share	$ (0.09)	$ (0.10)	$ (0.20)	$ (0.15)
Basic and diluted - weighted average number of common shares outstanding	34,135	32,969	33,825	32,889

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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