Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets: Gross Value	$ 67,909	$ 47,309
Amortizable intangible assets: Accumulated Amortization	(34,998)	(31,484)
Amortizable intangible assets: Net Carrying Value	32,911	15,825
Unamortizable intangible assets: Goodwill, Gross	24,599	19,035
Unamortizable intangible assets:Accumulated Amortization	(544)	(544)
Unamortizable intangible assets: Net Carrying Value	24,055	18,491
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Unamortizable intangible assets: Goodwill, Gross	24,599	19,035
Unamortizable intangible assets:Accumulated Amortization	(544)	(544)
Unamortizable intangible assets: Net Carrying Value	24,055	18,491
In Process Research and Development [Member] | Vazculep [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets: Gross Value	12,061	12,061
Amortizable intangible assets: Accumulated Amortization	(8,190)	(7,986)
Amortizable intangible assets: Net Carrying Value	3,871	4,075
In Process Research and Development [Member] | Bloxiverz [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets: Gross Value	35,248	35,248
Amortizable intangible assets: Accumulated Amortization	(26,435)	(23,498)
Amortizable intangible assets: Net Carrying Value	8,813	11,750
Product marketing rights [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets: Gross Value	16,200	0
Amortizable intangible assets: Accumulated Amortization	(300)	0
Amortizable intangible assets: Net Carrying Value	15,900	0
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets: Gross Value	4,400	0
Amortizable intangible assets: Accumulated Amortization	(73)	0
Amortizable intangible assets: Net Carrying Value	$ 4,327	$ 0