Unaudited Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue, net	$ 11,655	$ 11,890	$ 21,809	$ 22,591
Cost of goods sold	4,562	4,734	8,608	9,133
Gross profit	7,093	7,156	13,201	13,458
Sales and marketing	2,254	2,106	4,388	4,089
Research and product development	2,029	1,816	4,037	3,453
General and administrative	1,686	1,361	3,191	2,833
Proceeds from litigation			(250)
Total operating expenses	5,969	5,283	11,366	10,375
Operating income	1,124	1,873	1,835	3,083
Other income (expense), net	(5)	7	11	18
Income before income taxes	1,119	1,880	1,846	3,101
Provision (benefit) for income taxes	544	559	818	968
Net income	$ 575	$ 1,321	$ 1,028	$ 2,133
Basic Earnings per common shares	$ 0.06	$ 0.15	$ 0.11	$ 0.24
Diluted Earnings per common share	$ 0.06	$ 0.14	$ 0.11	$ 0.23
Basic weighted average number of shares outstanding	9,107,420	8,992,500	9,102,786	8,962,171
Diluted weighted average Number of shares outstanding	9,226,426	9,433,650	9,224,727	9,279,800