| http://www.w3.org/ns/prov#value | - Years Ended December 31, 2010 2009 2008 (In thousands, except share and per share data) Revenues: Product sales, net $ 8,835 $ ??? $ ??? Development and license fee revenues 42,564 21,643 43,429 Total revenues 51,399 21,643 43,429 Costs and expenses: Cost of product sales 505 ??? ??? Research and development expenses 31,522 46,587 68,077 Selling, general and administrative expenses 33,583 25,843 2
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