Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2017

Payables and Accruals [Abstract]

Components of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	March 31, 2017		December 31, 2016
Development costs	$	1,308	$	852
Employee compensation	318		352
Professional fees	178		413
Other	93		157
	1,897		$	1,774