CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Product revenues	$ 6,542,429	$ 7,835,568	$ 14,301,885	$ 18,498,521
Support and services revenues	7,431,710	8,630,633	14,957,071	17,335,752
Total revenues	13,974,139	16,466,201	29,258,956	35,834,273
Cost of revenues:
Product	963,102	1,787,186	2,262,756	3,807,672
Support and service	2,861,992	3,091,055	5,870,395	6,252,411
Total cost of revenues	3,825,094	4,878,241	8,133,151	10,060,083
Gross profit	10,149,045	11,587,960	21,125,805	25,774,190
Operating expenses:
Research and development costs	4,395,823	4,848,500	9,044,432	9,627,675
Selling and marketing	6,879,315	9,189,953	13,719,886	18,874,598
General and administrative	3,361,881	3,018,154	6,608,948	6,129,029
Investigation, litigation, and settlement related costs	62,392	851,123	176,458	(439,797)
Total operating expenses	14,699,411	17,907,730	29,549,724	34,191,505
Operating loss	(4,550,366)	(6,319,770)	(8,423,919)	(8,417,315)
Interest and other loss, net	(487,176)	(105,533)	(817,966)	(244,864)
Loss before income taxes	(5,037,542)	(6,425,303)	(9,241,885)	(8,662,179)
Provision for income taxes	169,751	195,283	345,853	407,815
Net loss	$ (5,207,293)	$ (6,620,586)	$ (9,587,738)	$ (9,069,994)
Basic net loss per share	$ (0.11)	$ (0.14)	$ (0.20)	$ (0.19)
Diluted net loss per share	$ (0.11)	$ (0.14)	$ (0.20)	$ (0.19)
Weighted average basic shares outstanding	47,996,027	47,472,909	47,929,799	47,258,696
Weighted average diluted shares outstanding	47,996,027	47,472,909	47,929,799	47,258,696