Accrued Expenses

6 Months Ended

Jun. 30, 2016

Accrued Expenses [Abstract]

Accrued Expenses

5.  Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	June 30,		December 31,
	2016		2015
Compensation expense	$	138	$	34
Offering costs		10		240
Professional fees		109		84
Other		—		40
	$	257	$	398