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Note 6 - Investment in Affiliate (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Equity Method Investments [Table Text Block]
  

Ownership %

  

Investment in Affiliate

Balance

  

Loss recorded in

the Consolidated

Statements of

Operations (b)

 
  

December 31, 2021

  

December 31, 2020

  

December 31, 2021

  

December 31, 2020

  

2021

  

2020

 
                         

HC Realty Series B Stock (a)

  26.8%  28.7% $10,250  $10,250  $-  $- 

HC Realty common stock

  7.1%  7.7%  1,200   1,822   (458)  (418)

Total

  33.9%  36.4% $11,450  $12,072  $(458) $(418)