Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2016

Accrued Expenses

Schedule of components of accrued expenses

        Accrued expenses consisted of the following (in thousands):

	December 31,
	2016		2015
Accrued compensation	$	1,252	$	1,181
Accrued contracted research costs		1,850		1,261
Accrued professional fees		215		181
Accrued other		360		655
Total	$	3,677	$	3,278