Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Payables And Accruals [Abstract]

Summary of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	June 30, 2020		December 31, 2019
External research and development services	$	1,633	$	1,673
Payroll and payroll-related costs		747		1,281
Professional fees		665		635
Other		227		352
	$	3,272	$	3,941