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Condensed Consolidated Statements of Operations (Parenthetical) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cost of revenues $ 27,975 [1] $ 29,645 [1]
Research and development 13,324 [1] 12,521 [1]
Selling, general and administrative 11,160 [1] 12,091 [1]
Share Based Compensation [Member]
   
Cost of revenues 284 242
Research and development 745 526
Selling, general and administrative $ 753 $ 605
[1] Share-based compensation expense included in: