Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments under non-cancelable operating leases

Future minimum lease payments under non-cancelable operating leases as of June 30, 2018 are as follows (in thousands of dollars):

Year Ending December 31,
Remainder of 2018	$	1,030
2019	2,227
2020	2,332
2021	2,401
2022	2,472
Thereafter	9,384
Total minimum lease payments	$	19,846