CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Product revenues	$ 3,940,479	$ 6,584,876	$ 13,156,024	$ 20,886,761
Support and services revenues	7,234,961	8,145,162	21,323,582	23,102,233
Total revenues	11,175,440	14,730,038	34,479,606	43,988,994
Cost of revenues:
Product	834,628	1,202,489	2,107,974	3,465,245
Support and service	1,757,716	2,566,471	5,866,408	8,436,866
Total cost of revenues	2,592,344	3,768,960	7,974,382	11,902,111
Gross profit	8,583,096	10,961,078	26,505,224	32,086,883
Operating expenses:
Research and development costs	2,995,150	3,645,283	9,487,169	12,689,715
Selling and marketing	5,776,558	6,070,697	18,016,971	19,790,583
General and administrative	2,140,460	3,018,091	6,896,250	9,627,039
Investigation, litigation, and settlement related costs	(22,502)	99,316	(5,186,711)	275,774
Restructuring costs	259,078	2,290,831	1,045,564	2,290,831
Total operating expenses	11,148,744	15,124,218	30,259,243	44,673,942
Operating loss	(2,565,648)	(4,163,140)	(3,754,019)	(12,587,059)
Interest and other loss, net	(504,124)	(3,212)	(484,998)	(821,178)
Loss before income taxes	(3,069,772)	(4,166,352)	(4,239,017)	(13,408,237)
Provision (Benefit) for income taxes	162,627	(1,946,689)	464,233	(1,600,836)
Net loss	(3,232,399)	(2,219,663)	(4,703,250)	(11,807,401)
Less: Accrual of Series A redeemable convertible preferred stock dividends	186,904	28,875	560,712	28,875
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	125,915	17,061	361,822	17,061
Net loss attributable to common stockholders	$ (3,545,218)	$ (2,265,599)	$ (5,625,784)	$ (11,853,337)
Basic net loss per share attributable to common stockholders (in dollars per share)	$ (0.08)	$ (0.05)	$ (0.12)	$ (0.25)
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ (0.08)	$ (0.05)	$ (0.12)	$ (0.25)
Weighted average basic shares outstanding (in shares)	45,158,184	48,024,916	47,025,887	47,961,853
Weighted average diluted shares outstanding (in shares)	45,158,184	48,024,916	47,025,887	47,961,853