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Note 4 - Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

September 30, 2020

  

December 31, 2019

 

Manufacturing equipment

 $3,053  $3,492 

Winnebago building

  19,591   19,406 

Other fixed assets

  3,563   2,273 

Total property and equipment

 $26,207  $25,171