Accrued Expenses

3 Months Ended

Mar. 31, 2016

Accrued Expenses [Abstract]

Accrued Expenses

5.  Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	March 31,		December 31,
	2016		2015
Compensation expense	$	95	$	34
Offering costs		146		240
Professional fees		113		84
Other		—		40
	$	354	$	398