CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue:
Product revenue	$ 3,756,579	$ 3,940,479	$ 21,377,450	$ 13,156,024
Support and services revenue	5,926,647	7,234,961	17,798,241	21,323,582
Total revenue	9,683,226	11,175,440	39,175,691	34,479,606
Cost of revenue:
Product	510,861	834,628	1,619,142	2,107,974
Support and service	1,915,090	1,757,716	5,875,837	5,866,408
Total cost of revenue	2,425,951	2,592,344	7,494,979	7,974,382
Gross profit	7,257,275	8,583,096	31,680,712	26,505,224
Operating expenses:
Research and development costs	3,454,128	2,995,150	9,727,727	9,487,169
Selling and marketing	4,128,814	5,776,558	13,805,689	18,016,971
General and administrative	2,132,665	2,140,460	7,209,499	6,896,250
Investigation, litigation, and settlement related (benefits) costs	0	(22,502)	8,842	(5,186,711)
Restructuring costs	15,024	259,078	172,995	1,045,564
Total operating expenses	9,730,631	11,148,744	30,924,752	30,259,243
Operating (loss) income	(2,473,356)	(2,565,648)	755,960	(3,754,019)
Interest and other income (loss), net	25,697	(504,124)	(339,968)	(484,998)
(Loss) income before income taxes	(2,447,659)	(3,069,772)	415,992	(4,239,017)
Provision for income taxes	134,280	162,627	403,736	464,233
Net (loss) income	(2,581,939)	(3,232,399)	12,256	(4,703,250)
Less: Accrual of Series A redeemable convertible preferred stock dividends	190,786	186,904	568,476	560,712
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	149,969	125,915	430,943	361,822
Net loss attributable to common stockholders	$ (2,922,694)	$ (3,545,218)	$ (987,163)	$ (5,625,784)
Basic net loss per share attributable to common stockholders (in dollars per share)	$ (0.07)	$ (0.08)	$ (0.02)	$ (0.12)
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ (0.07)	$ (0.08)	$ (0.02)	$ (0.12)
Weighted average basic shares outstanding (in shares)	41,113,431	45,158,184	41,004,976	47,025,887
Weighted average diluted shares outstanding (in shares)	41,113,431	45,158,184	41,004,976	47,025,887