Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Recognized Stock-Based Compensation Expense

The Company recognized stock-based compensation expense during the three months ended March 31, 2020 and 2019 as follows:

	Three Months Ended March 31,
(in thousands)	2020		2019
Research and development expense	$	—	$	183
General and administrative expense		484		411
Total stock-based compensation expense	$	484	$	594