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Note 11 - Investment in Partnerships (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Equity Method Investments [Table Text Block]
  

December 31,

  

December 31,

 
  

2021

  

2020

 

Investment in Signison

 $226  $418 

Other

  247   152 

Total

 $473  $570