COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details)				1 Months Ended	12 Months Ended
	Jan. 15, 2016	Sep. 16, 2015 claim	Jul. 10, 2014 claim	Jan. 31, 2013 item	Dec. 31, 2015 claim
Purdue
Legal matters
Number of patents infringed | item				2
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
Endo
Legal matters
No of claims declined					3
No of claims declined for 475 patent					5
No of claims declined for 280 patent					3
No of claims declined for 340 patent					1
Number of claims instituted for 475 patent					13
Number of claims instituted for 280 patent					10
Number of claims instituted for 340 patent		9			8
Number of IPR petitions instituted for 475 patent					2
Number of IPR petitions instituted for 280 patent					2
Number of IPR petitions instituted for 340 patent					2
Number of claims the PTAB found unpatentable for the 340 Patent		8
Rosellini Scientific LLC
Legal matters
Expected period of time for a decision to be made regarding the IPR Petition	6 months