Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014 (in thousands):

Operating lease obligations:	Lease Termination Date	Less than 1 year		1 year		2 years		3 years		4 years		Total
Corporate headquarters-San Diego, CA	July 2019	$	682	$	700	$	718	$	737	$	373	$	3,210
Bioscience and Technology Business Center-Lawrence, KS	December 2014	54		54		54		—		—		162
Vacated office and research facility-San Diego, CA	July 2015	1,339		—		—		—		—		1,339
Vacated office and research facility-Cranbury, NJ	August 2016	2,589		1,743		—		—		—		4,332
Total operating lease obligations		4,664		2,497		772		737		373		9,043
Sublease payments expected to be received:
Office and research facility-San Diego, CA	July 2015	$	545	$	—	$	—	$	—	$	—	$	545
Office and research facility-Cranbury, NJ	August 2016	212		141		—		—		—		353
Net operating lease obligations		$	3,907	$	2,356	$	772	$	737	$	373	$	8,145