Accrued Expenses

12 Months Ended

Dec. 31, 2014

Accrued Expenses [Abstract]

Accrued Expenses

5.   Accrued Expenses

Accrued expenses consist of the following (in thousands):

	As of December 31,
	2014		2013
Salaries, payroll taxes, vacation and benefits	$	686	$	706
Accrued consulting fees and other		249		272
Total accrued expenses	$	935	$	978