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Product Acquisitions And Return Of Product Rights - Narrative (Details) - USD ($)
 1 Months Ended 6 Months Ended
Jan. 03, 2022
Nov. 30, 2018
Nov. 30, 2016
Jun. 30, 2023
Jun. 30, 2022
Mar. 31, 2023
Dec. 31, 2022
Jul. 12, 2022
Dec. 31, 2021
Jul. 31, 2020
Business Acquisition [Line Items]                    
Payment to acquire business upon closing       $ 0 $ 13,500,000          
Goodwill       914,000     $ 914,000      
Kyowa Kirin | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement                    
Business Acquisition [Line Items]                    
Upfront payment $ 13,500,000                  
Sales milestone payments, maximum $ 3,500,000                  
Sales milestone payments, expected       1,500,000            
Sales milestone payments           $ 1,000,000        
Kyowa Kirin | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement | Maximum                    
Business Acquisition [Line Items]                    
Tiered royalty, percent 10.00%                  
Nordic Group B.V. | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement                    
Business Acquisition [Line Items]                    
Milestone payment receivable               $ 1,000,000    
Milestone payment credit due               $ 1,000,000    
Nordic Group B.V. | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement | Restricted Stock                    
Business Acquisition [Line Items]                    
Restricted shares receivable (in shares)               180,000    
Vibativ                    
Business Acquisition [Line Items]                    
Payment to acquire business upon closing   $ 20,000,000                
Other payments to acquire businesses   $ 5,000,000                
Percentage of tiered royalty payments (up to)   20.00%                
Tiered royalty payment, threshold   $ 2,500,000                
Additional liability       4,310,849     4,154,823      
Current portion of the contingent consideration liability       1,600,000            
Noncurrent portion of the contingent consideration liability       2,700,000            
Sancuso                    
Business Acquisition [Line Items]                    
Other payments to acquire businesses $ 1,700,000                  
Additional liability 3,400,000     3,116,000     $ 4,757,000      
Current portion of the contingent consideration liability       1,900,000            
Noncurrent portion of the contingent consideration liability       1,200,000            
Prepaid expenses 1,800,000                  
Inventory 2,600,000                  
Goodwill 30,000.00                  
Intangible assets $ 14,100,000                  
Methotrexate                    
Business Acquisition [Line Items]                    
Payment to acquire business upon closing     $ 100,000              
Additional liability                 $ 1,000,000 $ 1,000,000
Liability recorded     $ 900,000              
Vested common stock, value       $ 900,000            
Methotrexate | Restricted Stock                    
Business Acquisition [Line Items]                    
Unvested restricted shares (in shares)     180,000