ACCRUED LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2016

ACCRUED LIABILITIES

Schedule of accounts payable and accrued liabilities

Accrued liabilities consist of the following (in thousands):

	December 31,		December 31,
	2016		2015
Accrued compensation	$	11,730	$	13,196
Accrued royalties		21,703		20,555
Other accrued liabilities		25,965		29,180
Total accrued liabilities	$	59,398	$	62,931