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Note 14 - Other Income and Expense (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
   

Three Months Ended September 30,

   

Nine Months Ended September 30,

 
   

2022

   

2021

   

2022

   

2021

 

MBI Net Option fair value adjustment

  $ (2,800 )   $ (25,600 )   $ 88,100     $ (41,390 )

Write-off of debt issuance costs

    -       -       -       (2,131 )

Interest and investment income

    3,358       2,818       9,843       8,435  

Gain on step acquisition

    -       -       -       33,406  

Mark-to-market adjustments and other

    276       (51 )     (983 )     (904 )

Other income (expense), net

  $ 834     $ (22,833 )   $ 96,960     $ (2,584 )