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Note 8 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

 
  

2021

  

2020

 
         

Land, building, and improvements

 $9,610  $9,610 

Machinery and equipment

  1,304   1,304 

Computer equipment

  272   272 

Office equipment, furnishings, and improvements

  51   51 

Total

  11,237   11,237 

Accumulated depreciation

  (2,942)  (2,623)

Total property and equipment, net

 $8,295  $8,614