ACCRUED LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2017

ACCRUED LIABILITIES

Schedule of accounts payable and accrued liabilities

Accrued liabilities consist of the following (in thousands):

	September 30,		December 31,
	2017		2016
Accrued compensation	$	7,650	$	11,730
Accrued royalties		9,111		21,703
Other accrued liabilities		30,838		25,965
Total accrued liabilities	$	47,599	$	59,398