Accrued Expenses

3 Months Ended

Mar. 31, 2018

Payables And Accruals [Abstract]

Accrued Expenses

4. Accrued Expenses

Accrued expenses consisted of the following:  

	March 31,		December 31,
	2018		2017
	(In thousands)
Employee compensation and benefits	$	2,760	$	4,773
Research and development and professional expenses		3,845		3,226
Accrued expenses	$	6,605	$	7,999