Annual report pursuant to Section 13 and 15(d)

Lease Obligations

v3.10.0.1
Lease Obligations
12 Months Ended
Dec. 31, 2018
Leases [Abstract]  
Lease Obligations Lease Obligations
We lease office facilities under various operating leases. These leases expire between 2019 and 2023. Total rent expense, net under all office leases for 2018, 2017 and 2016 was $1.0 million, $0.3 million and $0.3 million, respectively. The following table provides a summary of operating lease obligations and payments expected to be received from sublease agreements as of December 31, 2018 (in thousands):

Operating lease obligations:
Lease
Termination
Date
Less than 1
year
1-2 years 3-4 years Total
Corporate headquarters - San Diego, CA April 2023 $ 135  $ 283  $ 198  $ 616 
Office and research facility - La Jolla, CA June 2019 373  —  —  373 
Bioscience and Technology Business Center - Lawrence, KS December 2020 57  56  —  113 
Office - Emeryville, CA August 2021 260  455  —  715 
Research Facility - Emeryville, CA August 2021 203  351  —  $ 554 
Office - Winnersh, United Kingdom April 2019 43  —  —  43 
Research Facility - Cambridge, United Kingdom September 2019 549  —  —  549 
Total operating lease obligations $ 1,620  $ 1,145  $ 198  $ 2,963 
Sublease payments expected to be received:
Office and research facility - La Jolla, CA June 2019 360  —  —  360 
Net operating lease obligations $ 1,260  $ 1,145  $ 198  $ 2,603