Revenue from Collaboration Agreement (Tables)

6 Months Ended

Jun. 30, 2011

Basis of Presentation and Revenue from Collaboration Agreement [Abstract]

Revenue from Collaboration Agreement

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands)
Onyx’s share of collaboration commercial profit	$	58,535	$	59,978	$	118,115	$	115,063
Reimbursement of Onyx’s shared marketing expenses		6,687		6,475		11,291		12,299
Royalty revenue		2,734		2,320		5,695		4,314
Revenue from collaboration agreement	$	67,956	$	68,773	$	135,101	$	131,676