ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ACCRUED LIABILITIES
Accrued compensation	$ 10,497	$ 7,248
Royalties payable	10,866	810
Other accrued liabilities	30,439	7,640
Total accrued liabilities	$ 51,802	$ 15,698