Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	As of
	June 30, 2018		December 31, 2017
Payroll and related liabilities	$	3,565	$	3,659
Other	5,629		7,105
Total accrued liabilities	$	9,194	$	10,764