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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2022
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 liabilities measured at fair value on a recurring basis as of December 31, 2022 and 2021 (in thousands):

 

           

Fair Value Measurements

 
   

Carrying Amount as of

   

As of December 31, 2022

 
   

December 31, 2022

   

Level 1

   

Level 2

   

Level 3

 

Preferred stock derivative liability

  $ 21,918     $     $     $ 21,918  

 

           

Fair Value Measurements

 
   

Carrying Amount as of

   

As of December 31, 2021

 
   

December 31, 2021

   

Level 1

   

Level 2

   

Level 3

 

Preferred stock derivative liability

  $ 21,282     $     $     $ 21,282  

 

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):

 

3.25% convertible senior notes due 2023

               
   

2022

   

2021

 

Balance at January 1,

  $     $ 34,134  

Conversion of convertible senior notes

          (50,760 )

Change in fair value

          16,419  

Payment in-kind

          207  

Balance at December 31,

  $     $  

 

Preferred stock derivative liability

               
   

2022

   

2021

 

Balance at January 1,

  $ 21,282     $ 8,062  

Change in fair value

    636       13,220  

Balance at December 31,

  $ 21,918     $ 21,282  

 

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, 2022

 

Valuation

Technique

 

Unobservable

Inputs

 

Range

(Weighted Average)

 
    (In thousands)              

Preferred Stock Derivative Liability

  $ 21,918  

Discounted Cash Flow

 

Change-in-control probability assumptions

 

Range: 10% to 40% (27.3%)

 
             

Timing of change-in-control assumptions

 

Range: 1 to 10 years (4.19 years)

 
             

Discount Rate

 

Range: 17.48% to 18.23% (17.70%)

 
             

Implied yield*

  11.23%*  

 

   

Fair Value

As of December 31, 2021

 

Valuation

Technique

 

Unobservable

Inputs

 

Range

(Weighted Average)

 
   

(In thousands)

             

Preferred Stock Derivative Liability

  $ 21,282  

Discounted Cash Flow

 

Change-in-control probability assumptions

 

Range: 5% to 45% (30.7%)

 
             

Timing of change-in-control assumptions

 

Range: 1 to 10 years (3.67 years)

 
             

Discount Rate

 

Range: 13.71% to 19.46% (15.16%)

 
             

Implied yield*

  7.96%*  

*Represents the implied yield of the 2021 BSP Term Loan