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Intangible Assets (Narrative) (Details) - USD ($)
shares in Thousands
 1 Months Ended 12 Months Ended
Nov. 30, 2018
Nov. 30, 2016
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]          
Payments to acquire businesses     $ 0 $ 0 $ 5,000,000
Goodwill     882,000 882,000  
Additions to intangible assets     250,930 1,973,110 772,944
Amortization of intangible assets     4,371,300 4,434,120 $ 4,134,557
Patents          
Acquired Finite-Lived Intangible Assets [Line Items]          
Additions to intangible assets     200,000 500,000  
Methotrexate          
Acquired Finite-Lived Intangible Assets [Line Items]          
Payments to acquire businesses   $ 100,000      
Stock issued during period, acquisitions     900,000    
Intellectual property amortizable intangible assets     2,600,000 $ 2,800,000  
Methotrexate | Nordic          
Acquired Finite-Lived Intangible Assets [Line Items]          
Stock issued during period, acquisitions     1,000,000    
Methotrexate | Restricted Stock          
Acquired Finite-Lived Intangible Assets [Line Items]          
Stock issued during period, acquisitions (in shares)   180      
VIBATIV          
Acquired Finite-Lived Intangible Assets [Line Items]          
Payments to acquire businesses $ 20,000,000   $ 20,000,000    
Intellectual property amortizable intangible assets 11,750,000        
Goodwill $ 882,000