Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Accrued Expenses

Schedule of accrued expenses

	December 31,
(In thousands)	2017		2016
Payroll and related costs	$	3,108	$	2,498
Clinical and nonclinical trial expenses		3,495		3,577
Professional and consulting fees		1,317		840
Equipment purchase		—		368
Other		80		111
	$	8,000	$	7,394