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Note 7 - Other Receivables (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

As of December 31,

 
  

2021

  

2020

 

Cash collateral due from counterparties

 $-  $225 

Asset management fees receivable

  962   879 

Accrued interest and dividend receivable

  1,813   2,275 

Revenue share receivable

  108   125 

Miscellaneous other receivables

  320   425 

Other receivables

 $3,203  $3,929