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Product Acquisitions And Return Of Product Rights - Narrative (Details) - USD ($)
 1 Months Ended 9 Months Ended
Jan. 03, 2022
Nov. 30, 2018
Nov. 30, 2016
Sep. 30, 2023
Sep. 30, 2022
Oct. 31, 2023
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            
Remaining milestone payments       2,000,000              
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             $ 1,000,000        
Kyowa Kirin | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement | Subsequent Event                      
Business Acquisition [Line Items]                      
Sales milestone payments           $ 500,000          
Nordic Group B.V. | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement                      
Business Acquisition [Line Items]                      
Milestone payment credit due                 $ 1,000,000    
Milestone payment receivable                 $ 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       4,252,295       4,154,823      
Current portion of the contingent consideration liability       1,800,000              
Noncurrent portion of the contingent consideration liability       2,500,000              
Sancuso                      
Business Acquisition [Line Items]                      
Other payments to acquire businesses 1,700,000                    
Additional liability 3,400,000     2,841,000       $ 4,757,000      
Current portion of the contingent consideration liability       1,800,000              
Noncurrent portion of the contingent consideration liability       1,100,000              
Prepaid expenses 1,800,000                    
Inventory 2,600,000                    
Goodwill 30,000.00                    
Intangible assets $ 14,100,000                    
Sancuso | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement | Maximum                      
Business Acquisition [Line Items]                      
Tiered royalty, percent 10.00%                    
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