Revenues and Trade Receivables, Net, Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Revenue [Abstract]
Revenues	$ 16,419	$ 12,418	$ 11,129	$ 12,643	$ 16,824	$ 13,267	$ 13,928	$ 23,411	$ 52,609	$ 67,430
Manufacture and Supply Revenue [Member]
Revenue [Abstract]
Revenues									38,739	37,319
License and Royalty Revenue [Member]
Revenue [Abstract]
Revenues									6,959	24,699
Co-Development and Research Fees [Member]
Revenue [Abstract]
Revenues									4,042	5,184
Proprietary Product Sales, Net [Member]
Revenue [Abstract]
Revenues									$ 2,869	$ 228