ACCRUED LIABILITIES (Tables)

6 Months Ended

Jun. 30, 2016

ACCRUED LIABILITIES

Schedule of accounts payable and accrued liabilities

Accrued liabilities consist of the following (in thousands):

	June 30,		December 31,
	2016		2015
Accrued compensation	$	8,031	$	13,196
Royalties payable		21,731		20,555
Other accrued liabilities		31,646		29,180
Total accrued liabilities	$	61,408	$	62,931