Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2014

Payables And Accruals [Abstract]

Components of Accrued Liabilities

Accrued liabilities comprise the following (in thousands):

	December 31,
	2014		2013
Payroll and employee related expenses	$	2,808	$	2,682
Professional services		331		150
Other accrued expenses		41		329
Total accrued liabilities	$	3,180	$	3,161