Accrued Expenses

12 Months Ended

Dec. 31, 2018

Payables And Accruals [Abstract]

Accrued Expenses

6. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2018		2017
Accrued payroll and related expenses	$	2,562	$	402
Accrued research and development expenses		3,086		704
Accrued professional services		985		787
Accrued other		305		—
	$	6,938	$	1,893