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Note 12 - Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Intangible Assets and Goodwill [Table Text Block]

December 31,

 

2021

  

2020

 

Construction

 $51,769  $51,769 

Materials

  1,946   1,946 

Total goodwill

 $53,715  $53,715