Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Schedule of Lease Costs

Lease costs were comprised of the following (in thousands):

	Three months ended March 31, 2019
Operating lease cost	$	753
Variable lease cost		395
Short-term lease cost		14
Total lease cost	$	1,162

Schedule of Gross Future Minimum Annual Rental Commitments

Gross future minimum annual rental commitments as of March 31, 2019, were as follows (in thousands):

	Undiscounted Rent Payments
Year ending December 31,
2019 (remaining 9 months)	$	2,216
2020		3,035
2021		3,123
2022		3,216
2023		1,690
2024		1,741
Total undiscounted rent payments	$	15,021
Present value discount		(2,314	)
Present value	$	12,707
Current portion of operating lease liability (included as a component of Accrued expenses)	$	2,170
Noncurrent operating lease liabilities		10,537
Total operating lease liability	$	12,707

Schedule of Future Minimum Lease Payments Under Non-Cancelable Operating Leases

Future minimum lease payments under non-cancelable operating leases at December 31, 2018 were as follows (in thousands):

Years ending December 31,
2019	$	2,944
2020		3,035
2021		3,123
2022		3,216
2023		1,690
Thereafter		1,741
	$	15,749