Business Acquisition (Narrative) (Details) $ in Thousands	1 Months Ended		3 Months Ended
	Mar. 31, 2016 USD ($) item	Jan. 31, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition
Payment to Acquire Business, Gross	$ 4,000		$ 4,761
Number of Injectable Products Acquired | item	14
Number of Different Injectable Chemical Entities | item	11
Goodwill recognized	$ 4,321		4,321	$ 3,726	$ 4,467
Hikma Pharmaceuticals PLC
Business Acquisition
Payment to Acquire Business, Gross	$ 4,000
Number of Injectable Products Acquired | item	14
Number of Different Injectable Chemical Entities | item	11
Assets acquired	$ 4,000		$ 4,000
Letop
Business Acquisition
Payment to Acquire Business, Gross		$ 800
Goodwill recognized		500
Assets acquired		1,300
Liabilities assumed		$ 1,000