Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	As of
	March 31, 2014		December 31, 2013
Payroll and related liabilities	$	3,257	$	4,244
Other	4,579		4,879
Total accrued liabilities	$	7,836	$	9,123