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Note 4 - Property and Equipment (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

March 31, 2022

   

December 31, 2021

 

Manufacturing equipment

  $ 3,497     $ 3,796  

Winnebago building

    21,556       21,587  

Other fixed assets

    2,770       2,924  

Total property and equipment

  $ 27,823     $ 28,307