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Significant Accounting Policies and Concentrations of Risk (Details) - USD ($)
shares in Thousands
 3 Months Ended 6 Months Ended
Apr. 17, 2023
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Significant Accounting Policies and Concentration of Risk [Line Items]            
Restricted cash   $ 1,574,000   $ 1,574,000   $ 1,472,000
Long-term investment maturity, minimum (in years)       12 months    
Inventory adjustments   (238,000)   $ (238,000)    
Inventory valuation reserves   1,415,000   1,415,000   1,177,000
Advertising expense   3,290,000 $ 4,095,000 7,337,000 $ 8,079,000  
Interest expense, debt, total   28,915,000 24,022,000 56,311,000 47,859,000  
Proceeds from issuance of long-term debt, total       300,000,000 0  
Amortization of debt financing costs and original issue discounts   $ 408,000 $ (172,000) $ 1,306,000 $ (339,000)  
Antidilutive securities excluded from computation of earnings per share, amount (in shares)   19,770 23,090 20,948 25,877  
Reclassification from accumulated other comprehensive income, current period, before tax       $ 0 $ 0  
Computer Equipment            
Significant Accounting Policies and Concentration of Risk [Line Items]            
Property, plant and equipment, useful life (in years)   3 years   3 years    
Laboratory Equipment, Office Equipment and Software            
Significant Accounting Policies and Concentration of Risk [Line Items]            
Property, plant and equipment, useful life (in years)   5 years   5 years    
Furniture and Fixtures            
Significant Accounting Policies and Concentration of Risk [Line Items]            
Property, plant and equipment, useful life (in years)   7 years   7 years    
Maximum            
Significant Accounting Policies and Concentration of Risk [Line Items]            
Maturity period of high quality marketable securities (in years)       3 years    
Average maturity period of high quality marketable securities (in months)       12 months    
Maturity period of short term investment (in months)       12 months    
Term Loan Tranche A | Pharmakon Advisors, LP | Line of Credit            
Significant Accounting Policies and Concentration of Risk [Line Items]            
Interest expense, debt, total   $ 7,648,000        
Proceeds from issuance of long-term debt, total $ 300,000     $ 300,000,000    
Collateral for Credit            
Significant Accounting Policies and Concentration of Risk [Line Items]            
Restricted cash   $ 1,457,000   $ 1,457,000   $ 1,449,000