Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2016

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	June 30, 2016		December 31, 2015
Accrued payroll-related expenses	$	7,618	$	11,105
Accrued expenses	3,838		3,737
Total accrued liabilities	$	11,456	$	14,842