CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Product revenues	$ 4,963,059	$ 7,759,456
Support and services revenues	7,038,440	7,525,361
Total revenues	12,001,499	15,284,817
Cost of revenues:
Product	575,124	1,299,654
Support and service	2,099,251	3,008,403
Total cost of revenues	2,674,375	4,308,057
Gross profit	9,327,124	10,976,760
Operating expenses:
Research and development costs	3,348,795	4,648,609
Selling and marketing	5,888,466	6,840,571
General and administrative	2,391,410	3,247,067
Investigation, litigation, and settlement related costs	111,711	114,066
Restructuring costs	223,573	0
Total operating expenses	11,963,955	14,850,313
Operating loss	(2,636,831)	(3,873,553)
Interest and other income (loss), net	50,108	(330,790)
Loss before income taxes	(2,586,723)	(4,204,343)
Provision for income taxes	215,075	176,102
Net loss	(2,801,798)	(4,380,445)
Less: Accrual of preferred stock dividends	186,904	0
Less: Accretion to redemption value of Series A preferred stock	115,376	0
Net loss attributable to common stockholders	$ (3,104,078)	$ (4,380,445)
Basic net loss per share attributable to common stockholders (in dollars per share)	$ (0.06)	$ (0.09)
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ (0.06)	$ (0.09)
Weighted average basic shares outstanding (in shares)	48,031,737	47,862,834
Weighted average diluted shares outstanding (in shares)	48,031,737	47,862,834