Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Operating and Capital Lease Payments

Future minimum annual lease payments under the various operating leases, including the Alameda Lease and the landlord lease liability, Cell Cure lease noted above, and capital leases, for the years ending after December 31, 2017 are as follows (in thousands):

Year Ending December 31,	Minimum Operating Lease Payments		Capital Lease Payments
2018	$	1,266	$	31
2019		1,100		37
2020		1,030		37
2021		918		37
2022		946		37
Thereafter		86		16
Total minimum lease payments	$	5,346	$	195
Less amounts representing interest				(44)
Present value of net minimum lease payments			$	151