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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2024
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following tables summarize the Company’s financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2024 and 2023 (in thousands):

 

   Carrying
Amount as of
December 31,
   Fair Value Measurements
As of December 31, 2024
 
   2024   Level 1   Level 2   Level 3 
Money market funds  $39,907   $39,907   $   $ 
Investments in employee deferred compensation trusts   1,686    1,686         

 

   Carrying
Amount as of
December 31,
   Fair Value Measurements
As of December 31, 2023
 
   2023   Level 1   Level 2   Level 3 
Money market funds  $45,130   $45,130   $   $ 
Investments in employee deferred compensation trusts   41    41         
Preferred stock derivative liability   29,947            29,947 
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table provides a reconciliation of the beginning and ending balances of liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands):

 

Preferred stock derivative liability            
   2024   2023   2022 
Balance at January 1,  $29,947   $21,918   $21,282 
Change in fair value       8,029    636 
Extinguishment through redemption of preferred stock   (29,947)        
Balance at December 31,  $   $29,947   $21,918 
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

The following table provides quantitative information of liabilities measured at fair value and the significant unobservable inputs (Level 3), the range of the significant unobservable inputs, and the valuation techniques.

   Fair Value
As of
December 31,
2023
   Valuation
Technique
   Unobservable
Inputs
   Range
(Weighted Average)
 
    (In thousands)             
Preferred Stock Derivative Liability  $29,947   Discounted Cash Flow   Change-in-control probability assumptions   Range: 0% to 100% 
            Timing of change-in-control assumptions   Range: 1 to 10 years 
            Discount Rate   Range: 8% to 10% 
            Market yield*   6.3%* 

 

*Represents the hypothetical market yield