Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2016

Payables And Accruals [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following:

(in thousands)	June 30, 2016		December 31, 2015
Compensation, excluding taxes	$	664	$	692
Professional fees		183		391
Short-term portion of lease restructuring		214		220
Clinical trial expenses		437		219
Other1		537		721
Total accrued expenses	$	2,035	$	2,243

¹ Other consists of various accrued expenses, with no individual item accounting for more than 5% of current liabilities at June 30, 2016 and December 31, 2015.