Accrued Expenses and Other Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Accrued Expenses and Other Liabilities

Schedule of accrued expenses and other current liabilities

	As of		As of
(in thousands)	December 31, 2018		June 30, 2019
Research and development related costs	$	5,032	$	2,120
Payroll and related costs		7,427		6,250
Accounting, tax and audit services		398		465
Other		1,645		2,367
Total other current liabilities	$	14,502	$	11,202