Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2020

Payables and Accruals [Abstract]

Accrued Expenses

Accrued expenses consist of the following:

	June 30,		December 31,
	2020		2019
	(in thousands)
Payroll and employee related expenses	$	837	$	1,051
External research and development		2,572		1,969
Other accrued expenses		327		80
Total accrued expenses	$	3,736	$	3,100