Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2013

Leases [Abstract]

Payments expected to received from sublease agreements

The following table provides a summary of operating lease obligations and payments expected to be received from sublease agreements as of December 31, 2013 (in thousands):

Operating lease obligations:	Lease Termination Date	Less than 1 year		2-3 years		4-5 years		More than 5 years		Total
Corporate headquarters-San Diego, CA	July 2019	$	664	$	1,381	$	1,455	$	374	$	3,874
Bioscience and Technology Business Center-Lawrence, KS	December 2014	57		—		—		—		57
Vacated office and research facility-San Diego, CA	July 2015	2,240		1,332		—		—		3,572
Vacated office and research facility-Cranbury, NJ	August 2016	2,563		4,332		—		—		6,895
Total operating lease obligations		$	5,524	$	7,045	$	1,455	$	374	$	14,398
Sublease payments expected to be received:		Less than 1 year		2-3 years		4-5 years		More than 5 years		Total
Office and research facility-San Diego, CA	July 2015	$	906	$	545	$	—	$	—	$	1,451
Office and research facility-Cranbury, NJ	August 2014 and 2016	368		575		—		—		943
Net operating lease obligations		$	4,250	$	5,925	$	1,455	$	374	$	12,004