SUBSEQUENT EVENTS (Details Textual) - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Subsequent Event [Line Items]
Payments to Acquire Intangible Assets		$ 30,500	$ 34,634	$ 0
Finite-Lived Intangible Assets, Gross		$ 76,498	$ 45,999
Subsequent Event [Member]
Subsequent Event [Line Items]
Payments to Acquire Intangible Assets	$ 10,000
Stock Repurchased During Period, Shares	65
Stock Repurchased During Period, Value	$ 2,500
Corticotropin and Corticotropin-Zinc NDAs [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Payments to Acquire Intangible Assets	$ 75,000
Finite-Lived Intangible Assets, Remaining Amortization Period	10 years
Acquisition Costs Capitalized	$ 300
Finite-Lived Intangible Assets, Gross	$ 75,300