Accrued Expenses and Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Accrued Expenses and Other Liabilities

Schedule of accrued expenses and other liabilities

(in thousands)	As of December 31, 2017		As of March 31, 2018
Research and development related costs	$	2,308	$	2,479
Payroll and related costs	4,426		2,651
Accounting, tax and audit services	231		586
Other	1,159		1,861
Total other current liabilities	$	8,124	$	7,577