Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 2,571,840	$ 3,852,476	$ 5,476,686	$ 7,418,869
Cost of revenues	1,110,073	1,405,348	2,365,648	2,701,362
Gross margin	1,461,767	2,447,128	3,111,038	4,717,507
Operating expenses:
Research and development	1,123,509	1,658,050	2,220,331	3,332,531
Sales and marketing	1,479,519	3,143,484	3,354,129	6,383,821
General and administrative	1,301,476	2,176,074	2,683,571	4,315,653
Total operating expenses	3,904,504	6,977,608	8,258,031	14,032,005
Loss from operations	(2,442,737)	(4,530,480)	(5,146,993)	(9,314,498)
Interest income	6,019	11,409	13,018	31,398
Net loss	$ (2,436,718)	$ (4,519,071)	$ (5,133,975)	$ (9,283,100)
Per common share data, basic and diluted:
Net loss	$ (0.11)	$ (0.20)	$ (0.22)	$ (0.40)
Weighted average number of common shares outstanding, basic and diluted	23,111,866	23,038,106	23,107,629	23,023,275