CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues:
Product revenues	$ 7,759,456	$ 10,662,953
Support and services revenues	7,525,361	8,705,119
Subtotal revenues	15,284,817	19,368,072
Cost of revenues:
Product	1,299,654	2,020,486
Support and service	3,008,403	3,161,356
Total cost of revenues	4,308,057	5,181,842
Gross profit	10,976,760	14,186,230
Operating expenses
Research and development costs	4,648,609	4,779,175
Selling and marketing	6,840,571	9,684,645
General and administrative	3,247,067	3,110,875
Investigation, litigation, and settlement related costs	114,066	(1,290,920)
Total operating expenses	14,850,313	16,283,775
Operating loss	(3,873,553)	(2,097,545)
Interest and other loss, net	(330,790)	(139,331)
Loss before income taxes	(4,204,343)	(2,236,876)
Provision for income taxes	176,102	212,532
Net loss	$ (4,380,445)	$ (2,449,408)
Basic net loss per share (in dollars per share)	$ (0.09)	$ (0.05)
Diluted net loss per share (in dollars per share)	$ (0.09)	$ (0.05)
Weighted average basic shares outstanding (in shares)	47,862,834	47,044,482
Weighted average diluted shares outstanding (in shares)	47,862,834	47,044,482