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Note 9 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
   
September 30, 2020
 
   
Level 1
   
Level 2
   
Level 3
   
Total
 
Liabilities measured on a recurring basis:
     
 
     
 
     
 
     
 
Interest rate swap
  $
    $
177
    $
    $
177
 
Total liabilities at fair value
  $
    $
177
    $
    $
177
 
   
December 31, 2019
 
   
Level 1
   
Level 2
   
Level 3
   
Total
 
Liabilities measured on a recurring basis:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest rate swap
  $
    $
78
    $
    $
78
 
Total liabilities at fair value
  $
    $
78
    $
    $
78