CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Product revenues	$ 7,835,568	$ 11,609,760	$ 18,498,521	$ 22,868,775
Support and services revenues	8,630,633	8,018,248	17,335,752	15,718,495
Subtotal Revenues	16,466,201	19,628,008	35,834,273	38,587,270
Cost of revenues:
Product	1,787,186	2,266,040	3,807,672	3,989,045
Support and service	3,091,055	3,418,589	6,252,411	6,537,808
Total cost of revenues	4,878,241	5,684,629	10,060,083	10,526,853
Gross profit	11,587,960	13,943,379	25,774,190	28,060,417
Operating expenses
Research and development costs	4,771,691	5,245,119	9,472,286	11,350,107
Selling and marketing	9,266,762	10,521,307	19,029,987	18,995,399
General and administrative	3,018,154	2,957,460	6,129,029	5,558,995
Investigation costs	851,123	1,188,671	(439,797)	3,799,791
Total operating expenses	17,907,730	19,912,557	34,191,505	39,704,292
Operating loss	(6,319,770)	(5,969,178)	(8,417,315)	(11,643,875)
Interest and other income (loss), net	(105,533)	150,007	(244,864)	450,956
Loss before income taxes	(6,425,303)	(5,819,171)	(8,662,179)	(11,192,919)
Provision (benefit) from income taxes	195,283	69,868	407,815	662,384
Net loss	$ (6,620,586)	$ (5,889,039)	$ (9,069,994)	$ (11,855,303)
Basic net loss per share (in dollars per share)	$ (0.14)	$ (0.13)	$ (0.19)	$ (0.26)
Diluted net loss per share (in dollars per share)	$ (0.14)	$ (0.13)	$ (0.19)	$ (0.26)
Weighted average basic shares outstanding (in shares)	47,472,909	46,643,349	47,258,696	46,453,196
Weighted average diluted shares outstanding (in shares)	47,472,909	46,643,349	47,258,696	46,453,196