INTANGIBLE ASSETS (Details Textual) - USD ($) $ in Thousands			1 Months Ended					3 Months Ended	12 Months Ended
	Mar. 06, 2014	Jan. 02, 2014	Jul. 31, 2015	May. 31, 2015	Mar. 31, 2015	Aug. 31, 2014	Jul. 31, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 26, 2013	Jun. 19, 2013
GOODWILL AND INTANGIBLE ASSETS
Amortization of Intangible Assets									$ 6,200	$ 3,300	$ 600
Intangible Asset Purchase Agreement, Amount												$ 12,500
Payments to Acquire Intangible Assets									30,500	34,634	$ 0
Goodwill									1,838	1,838			$ 1,838
Finite-Lived Intangible Assets, Gross									$ 76,498	45,999
Intangible Asset Purchase Agreement Payment	$ 4,000	$ 8,500
Lithobid Purchase Agreement [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets							$ 11,000
Finite-Lived Intangible Asset, Useful Life							10 years		10 years
Finite-Lived Intangible Assets, Gross							$ 12,000
Payment To Acquire Intangible Assets If Contingency Occurs							$ 1,000
Vancocin Purchase Agreement [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets						$ 11,000
Finite-Lived Intangible Asset, Useful Life						10 years
Finite-Lived Intangible Assets, Gross						$ 10,500
Acquired ANDA Intangible Assets [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets			$ 25,000		$ 4,500
Finite-Lived Intangible Asset, Useful Life			10 years		10 years			10 years	10 years
Finite-Lived Intangible Assets, Gross			$ 25,000		$ 4,500			$ 12,500	$ 42,076	12,577
Testosterone Gel NDA [Member]
GOODWILL AND INTANGIBLE ASSETS
Finite-Lived Intangible Asset, Useful Life									11 years
Maximum Royalties Potentially Payable				$ 5,000
Royalty Rate				5.00%
Finite-Lived Intangible Assets, Gross									$ 10,900	10,900
Marketing and Distribution Rights [Member]
GOODWILL AND INTANGIBLE ASSETS
Finite-Lived Intangible Asset, Useful Life									7 years
Finite-Lived Intangible Assets, Gross									$ 1,000	$ 0