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Note 7 - Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Variable Interest Entities [Table Text Block]
  

December 31,

  

2023

 

2022

Assets:

        

Current assets

        

Cash and cash equivalents

 $2,932  $ 

Accounts receivable

  14    

Total current assets

  2,946    

Total assets

 $2,946  $ 
         

Total liabilities

 $  $ 
  

December 31,

  

2023

 

2022

Total assets

 $588  $ 
         

Maximum exposure to loss

        

On-balance sheet (a)

  3    

Off-balance sheet (b)

      

Total

 $3  $