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Note 8 - Property and Equipment, Net (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
September 30,
   
December 31,
 
   
2020
   
2019
 
                 
Land, building, and improvements
  $
9,610
    $
9,495
 
Machinery and equipment
   
1,304
     
1,482
 
Computer equipment
   
272
     
272
 
Office equipment, furnishings, and improvements
   
51
     
63
 
Total
   
11,237
     
11,312
 
Accumulated depreciation
   
(2,543
)    
(2,493
)
Total property and equipment, net
  $
8,694
    $
8,819