Business Acquisition (Narrative) (Details) $ in Thousands, € in Millions			1 Months Ended			3 Months Ended		12 Months Ended
	Apr. 30, 2014 USD ($)	Apr. 30, 2014 EUR (€)	Aug. 31, 2016 USD ($) item	Mar. 31, 2016 USD ($) item	Jan. 31, 2016 USD ($)	Mar. 31, 2017	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition
Payment to Acquire Business, Gross					$ 800		$ 4,761
Useful life of intangibles						12 years		12 years
Deposit that ANP previously paid which was effectively eliminated upon the consummation of the transaction					900
Goodwill related to acquisition of business								$ 391
International Medication Systems (UK) Limited
Business Acquisition
Marketing authorizations acquired			$ 9,200
Manufacturing equipment acquired			100
Deferred tax liability assumed			$ 1,600
Number of Marketing Authorizations Acquired | item			33
Number of Different Injectable Chemical Entities | item			11
Payment to Acquire Business, Gross			$ 7,700
Useful life of intangibles			10 years
Hikma Pharmaceuticals PLC
Business Acquisition
Number of Injectable Products Acquired | item				14
Number of Different Injectable Chemical Entities | item				11
Payment to Acquire Business, Gross				$ 4,000
Useful life of intangibles				15 years
Assets acquired				$ 4,000			$ 4,000
Merck Sharpe & Dohme's API
Business Acquisition
Purchase price	$ 34,400	€ 24.8
Number Of Years Required To Transfer Starting Material						2 years
Letop
Business Acquisition
Purchase price					1,700
Assets acquired					1,400
Liabilities assumed					$ 100