v3.26.1
Note 6 - Debt (Details Textual)
3 Months Ended
May 14, 2025
USD ($)
$ / shares
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Nov. 25, 2025
USD ($)
Jun. 03, 2024
USD ($)
Unrealized Gain (Loss) on Derivatives   $ 73,146,000 $ (65,000)      
Asset Purchase and License Agreement With Novo Nordisk HealthCare AG [Member]            
Upfront and Near-term Milestone Payments Receivable, Upon Closing         $ 240,000,000  
The 2029 Notes [Member]            
Debt Instrument, Maturity Date Jun. 15, 2029          
Embedded Derivative, Fair Value of Embedded Derivative, Net [1]   $ (84,025,000)   $ (157,171,000)    
Debt Instrument, Convertible, Period After Conversion Date for Interest Payment 18 months          
Debt Instrument, Convertible, Conversion Ratio 161.81          
Debt Instrument, Convertible Debt, Denominator Amount $ 1,000          
Debt Instrument, Convertible, Conversion Price | $ / shares $ 6.18          
Debt Instrument, Convertible, Number of Equity Instruments 11,500,000          
Debt Instrument, Interest Rate, Stated Percentage 9.50%          
Debt Instrument, Interest Rate, Effective Percentage   1.82%        
Debt Instrument, Convertible, Trading Days Before Maturity 50 days          
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 130.00%          
Debt Instrument, Convertible, Threshold Trading Days 20          
Debt Instrument, Convertible, Threshold Consecutive Trading Days 30          
The 2029 Notes [Member] | Conversion Option Derivative [Member]            
Embedded Derivative, Fair Value of Embedded Derivative, Net $ (23,000,000) $ (84,000,000)   $ (157,200,000)    
Unrealized Gain (Loss) on Derivatives   $ 73,100,000        
The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member]            
Debt Instrument, Face Amount           $ 67,100,000
Convertible Senior Notes 2026 [Member]            
Debt Instrument, Maturity Date Feb. 15, 2026          
Debt Instrument, Interest Rate, Stated Percentage 5.25%          
Conversion of the 2026 Notes Into 2029 Notes [Member]            
Debt Conversion, Original Debt, Net Amount $ 70,800,000          
[1] The fair value of the 2029 Notes embedded derivative is classified as a Level 3 liability due to unobservable inputs in which little or no market data exists. (For further details refer to “Note 4 — Investments and Fair-Value Measurements”).