Sanofi (Tables)

6 Months Ended

Jun. 30, 2012

Sanofi [Abstract]

Revenue recognized under the Sanofi agreement

Revenue recognized under the Sanofi agreement was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
(in thousands)
Contract revenue:
Amortization of upfront fees	$	2,815	$	3,913	$	5,630	$	7,783
Reimbursement for development-related activities		177		350		381		799
Total contract revenue	$	2,992	$	4,263	$	6,011	$	8,582