CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 7,602,066	$ 7,161,030	$ 15,783,259	$ 15,546,422
Cost of sales	191,923	99,870	339,054	164,355
Gross profit	7,410,143	7,061,160	15,444,205	15,382,067
Operating expenses:
Sales and marketing	3,986,544	3,221,144	7,788,261	6,641,687
Research and development	2,168,692	1,826,118	4,482,366	3,716,112
General and administrative	1,843,754	1,431,833	3,511,941	2,997,131
Total operating expenses	7,998,990	6,479,095	15,782,568	13,354,930
Operating (loss) income	(588,847)	582,065	(338,363)	2,027,137
Other income, net	50,690	71,863	95,357	101,502
(Loss) income before income taxes	(538,157)	653,928	(243,006)	2,128,639
Income taxes		23,096	2,784	31,463
Net (loss) income	$ (538,157)	$ 630,832	$ (245,790)	$ 2,097,176
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.04)	$ 0.04	$ (0.02)	$ 0.14
Diluted (in dollars per share)	$ (0.04)	$ 0.04	$ (0.02)	$ 0.14
Weighted average shares used in the per share calculations:
Basic (in shares)	14,879,292	14,637,238	14,872,801	14,604,933
Diluted (in shares)	14,879,292	15,642,573	14,872,801	15,479,199