Condensed Consolidated Statements Of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue	$ 60,061	$ 51,470
Cost of revenue	27,964	24,085
Gross profit	32,097	27,385
Operating expenses:
Research and development	15,603	12,123
Selling, general and administrative	16,109	13,258
Litigation benefit, net	(8,700)	(301)
Total operating expenses	23,012	25,080
Income from operations	9,085	2,305
Interest and other income (expense), net	190	(10)
Income before income taxes	9,275	2,295
Income tax provision (benefit)	257	(204)
Net income	$ 9,018	$ 2,499
Basic net income per share (in Dollars per share)	$ 0.23	$ 0.07
Diluted net income per share (in Dollars per share)	$ 0.23	$ 0.07
Weighted average common shares outstanding:
Basic (in Shares)	38,470	36,259
Diluted (in Shares)	39,517	37,708