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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2021
FAIR VALUE MEASUREMENTS  
Schedule of the fair value measurements of applicable financial liabilities

The following tables provide the fair value measurements of applicable financial liabilities as of September 30, 2021 and December 31, 2020:

    

Financial liabilities at fair value as of September 30, 2021

(in thousands)

    

Level 1

    

Level 2

    

Level 3

    

Total

  

  

  

  

5% Notes

$

$

$

623

$

623

Total

$

$

$

623

$

623

    

Financial liabilities at fair value as of December 31, 2020

    

Level 1

    

Level 2

    

Level 3

    

Total

 

  

 

  

 

  

 

  

5% Notes

$

$

$

938

$

938

Total

$

$

$

938

$

938

Schedule of change in level three fair value during period

The following table summarizes the changes in Level 3 instruments during the nine months ended September 30, 2021:

(in thousands)

Balance at December 31, 2020

938

Interest accrued on face value of 5% Notes

 

764

Change in fair value of Level 3 liabilities

 

(1,079)

Balance at September 30, 2021

$

623