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Revenues and Trade Receivables, Net, Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Contract with Customer, Asset and Liability [Abstract]      
Invoices payable term 105 days    
Contract assets $ 275   $ 284
Contract liabilities 3,105   $ 3,762
Deferred revenue, recognized 657    
Revenue [Abstract]      
Total revenues $ 12,643 $ 23,411  
Minimum [Member]      
Contract with Customer, Asset and Liability [Abstract]      
Invoices payable term 30 days    
Maximum [Member]      
Contract with Customer, Asset and Liability [Abstract]      
Invoices payable term 60 days    
Manufacture and Supply Revenue [Member]      
Revenue [Abstract]      
Total revenues $ 6,669 11,560  
License and Royalty Revenue [Member]      
Revenue [Abstract]      
Total revenues 4,622 9,500  
Co-Development and Research Fees [Member]      
Revenue [Abstract]      
Total revenues 770 2,351  
Proprietary Product Sales, Net [Member]      
Revenue [Abstract]      
Total revenues $ 582 $ 0