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Note 30 - Supplemental Cash Flow Disclosure (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]
  

Year Ended December 31,

 
  

2021

  

2020

  

2019

 

Collateral deposit end of period

 $17,320  $41,119  $9,524 

Less: Collateral deposit beginning of period

  41,119   9,524   4,277 

Impact to cash flow from operations

 $(23,799) $31,595  $5,247