Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2013

Long-Term Debt [Abstract]

Interest expense and amortization of debt issuance costs

Interest expense and amortization of debt issuance costs and discounts, recorded as other expense in the condensed consolidated statements of comprehensive loss for the three and nine months ended September 30, 2013 and 2012 are shown below (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Interest expense
Servier loan	$	547	$	558	$	1,600	$	1,583
GECC term loan		508		475		1,584		1,298
Novartis note		90		99		272		298
Other		14		12		39		32
Total interest expense	$	1,159	$	1,144	$	3,495	$	3,211