XML 35 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Statements of Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Amortization of intangible assets $ 627 $ 817 $ 944
Research and development
     
Amortization of intangible assets 313 409 448
Selling general and administrative
     
Amortization of intangible assets $ 314 $ 408 $ 496