Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Product revenues	$ 10,662,953	$ 11,259,015
Support and services revenues	8,705,119	7,700,247
Subtotal Revenues	19,368,072	18,959,262
Cost of revenues:
Product	2,020,486	1,723,006
Support and service	3,161,356	3,119,219
Total cost of revenues	5,181,842	4,842,225
Gross profit	14,186,230	14,117,037
Operating expenses
Research and development costs	4,700,595	6,104,988
Selling and marketing	9,763,225	8,474,093
General and administrative	3,110,875	2,601,535
Investigation costs	(1,290,920)	2,611,120
Total operating expenses	16,283,775	19,791,736
Operating loss	(2,097,545)	(5,674,699)
Interest and other income (loss), net	(139,331)	300,950
Loss before income taxes	(2,236,876)	(5,373,749)
Provision (benefit) from income taxes	212,532	592,516
Net loss	$ (2,449,408)	$ (5,966,265)
Basic net loss per share (in dollars per share)	$ (0.05)	$ (0.13)
Diluted net loss per share (in dollars per share)	$ (0.05)	$ (0.13)
Weighted average basic shares outstanding (in shares)	47,044,482	46,261,472
Weighted average diluted shares outstanding (in shares)	47,044,482	46,261,472