COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details)		1 Months Ended
	Mar. 09, 2016 defendant patent	Jul. 31, 2014 claim
Gralise ANDA Filers
Legal matters
Number of patents infringed | patent	3
Number of defendants | defendant	4
Purdue
Legal matters
No of claims declined for 475 patent		2
No of claims declined for 280 patent		2
Number of claims instituted for 475 patent		15
Number of claims instituted for 280 patent		10