GOODWILL AND INTANGIBLE ASSETS (Details Textual) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended
	Feb. 28, 2017	Apr. 30, 2016	Jan. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
GOODWILL AND INTANGIBLE ASSETS
Amortization of Intangible Assets				$ 6,400	$ 4,400
Payments to Acquire Intangible Assets				50,956	84,182
Goodwill				1,838		$ 1,838
Finite-Lived Intangible Assets, Gross				238,048		203,992
Accrued Royalties Related To Asset Purchase				$ 0	$ 1,199
Acquired Finite-lived Intangible Asset, Amortization Description				we are amortizing 80% of the value of the intangible assets over the first five years of useful lives of the assets and amortizing the remaining 20% of the value of the intangible assets over the second five years of useful lives of the assets.
Cranford Pharmaceuticals [Member] | Non Compete Agreement [Member]
GOODWILL AND INTANGIBLE ASSETS
Finite-Lived Intangible Asset, Useful Life		7 years
Finite-Lived Intangible Assets, Gross		$ 600
Inderal XL [Member]
GOODWILL AND INTANGIBLE ASSETS
Finite-Lived Intangible Asset, Useful Life	10 years
Finite-Lived Intangible Assets, Gross	$ 15,100
Acquisition Costs Capitalized	40
Asset Acquisition Purchase Price	$ 20,200
InnoPran XL [Member]
GOODWILL AND INTANGIBLE ASSETS
Finite-Lived Intangible Asset, Useful Life	10 years
Finite-Lived Intangible Assets, Gross	$ 19,000
Acquisition Costs Capitalized	100
Asset Acquisition Purchase Price	30,600
InnoPran XL [Member] | Line of Credit [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets	30,000
InnoPran XL [Member] | Cash [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets	$ 600
Marketing and Distribution Rights [Member]
GOODWILL AND INTANGIBLE ASSETS
Finite-Lived Intangible Asset, Useful Life				4 years 8 months 12 days
Finite-Lived Intangible Assets, Gross				$ 11,042		$ 11,042
Marketing and Distribution Rights [Member] | H2 - Pharma, LLC [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets			$ 8,800
Finite-Lived Intangible Asset, Useful Life			4 years
Finite-Lived Intangible Assets, Gross			$ 10,000
Acquisition Costs Capitalized			42
Accrued Royalties Assumed in Asset Purchase			1,200
New Drug Applications [Member] | Merck Sharp Dohme B.V [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets			$ 75,000
Finite-Lived Intangible Asset, Useful Life			10 years
Finite-Lived Intangible Assets, Gross			$ 75,300
Acquisition Costs Capitalized			$ 300
New Drug Applications [Member] | Cranford Pharmaceuticals [Member]
GOODWILL AND INTANGIBLE ASSETS
Payments to Acquire Intangible Assets		$ 60,000
Finite-Lived Intangible Asset, Useful Life		10 years
Finite-Lived Intangible Assets, Gross		$ 52,400
Acquisition Costs Capitalized		300
Accrued Royalties Related To Asset Purchase		3,900
Asset Acquisition Purchase Price		$ 64,200