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RediTrex® and Vibativ® - Narrative (Details) - USD ($)
shares in Thousands
 1 Months Ended 12 Months Ended
Nov. 30, 2016
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Oct. 31, 2021
Business Acquisition [Line Items]          
Payments to acquire businesses   $ 0 $ 0 $ 5,000,000  
Liability to be paid         $ 1,000,000
Methotrexate          
Business Acquisition [Line Items]          
Payments to acquire businesses $ 100,000        
Liabilities incurred $ 900,000        
Stock issued during period, acquisitions   900,000      
Intellectual property amortizable intangible assets   $ 2,600,000 $ 2,800,000    
Restricted Stock | Methotrexate          
Business Acquisition [Line Items]          
Stock issued during period, acquisitions (in shares) 180