CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue:
Product revenue	$ 2,245,544	$ 3,756,579	$ 7,465,996	$ 21,377,450
Support and services revenue	5,081,266	5,926,647	15,361,096	17,798,241
Total revenue	7,326,810	9,683,226	22,827,092	39,175,691
Cost of revenue:
Product	145,986	510,861	710,233	1,619,142
Support and service	1,914,383	1,915,090	5,675,728	5,875,837
Total cost of revenue	2,060,369	2,425,951	6,385,961	7,494,979
Gross profit	5,266,441	7,257,275	16,441,131	31,680,712
Operating expenses:
Research and development costs	2,514,822	3,454,128	9,475,678	9,727,727
Selling and marketing	2,991,901	4,128,814	11,385,051	13,805,689
General and administrative	1,561,335	2,132,665	5,100,739	7,209,499
Investigation, litigation, and settlement related costs	0	0	0	8,842
Restructuring costs	0	15,024	177,389	172,995
Total operating expenses	7,068,058	9,730,631	26,138,857	30,924,752
Operating (loss) income	(1,801,617)	(2,473,356)	(9,697,726)	755,960
Interest and other (loss) income, net	(90,037)	25,697	265,397	(339,968)
(Loss) income before income taxes	(1,891,654)	(2,447,659)	(9,432,329)	415,992
Provision for income taxes	84,519	134,280	375,338	403,736
Net (loss) income	(1,976,173)	(2,581,939)	(9,807,667)	12,256
Less: Accrual of Series A redeemable convertible preferred stock dividends	194,012	190,786	581,986	568,476
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	178,619	149,969	513,269	430,943
Net loss attributable to common stockholders	$ (2,348,804)	$ (2,922,694)	$ (10,902,922)	$ (987,163)
Basic net (loss) income per share attributable to common stockholders (in dollars per share)	$ (0.05)	$ (0.07)	$ (0.25)	$ (0.02)
Diluted net (loss) income per share attributable to common stockholders (in dollars per share)	$ (0.05)	$ (0.07)	$ (0.25)	$ (0.02)
Weighted average basic shares outstanding (in shares)	43,488,448	41,113,431	42,847,038	41,004,976
Weighted average diluted shares outstanding (in shares)	43,488,448	41,113,431	42,847,038	41,004,976