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Note 4 - Credit Facilities and Other Debt (Tables)
 6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Debt [Table Text Block]
   
Interest Rate
as of
June 30, 2019
    
2019
    
2020
    
2021
    
2022
    
2023
    
2024
  
Brazil – Bradesco
    
 
16.56%
 
     $
437
     $
–
     $
–
     $
–
     $
–
     $
–
  
Brazil - Santander
    
4.45
-
10.99%
      
76
      
–
      
–
      
–
      
–
      
–
  
USA – North Mill Capital
    
 
6.75%
 
    
 
12,155
      
–
      
–
    
 
–
    
 
–
    
 
–
  
USA – Fifth Third Bank
    
 
5.23%
 
    
 
–
      
–
    
 
–
    
 
–
    
 
–
    
 
–
  
USA – Resource Plus Seller Notes
    
 
1.85%
 
      
333
      
334
      
300
      
300
      
700
    
 
–
  
Australia - National Australia Bank
    
 
6.56%
 
      
181
      
–
    
 
–
    
 
–
    
 
–
    
 
–
  
Mexico – BBVA Shareholder
    
 
12.5%
 
    
 
–
      
–
    
 
–
    
 
–
    
 
–
    
 
–
  
Total
  
 
 
 
 
 
  
$
13,182
     $
334
     $
300
     $
300
     $
700
    
$
–
  
Credit And Debt Facilities Unused Availability [Table Text Block]
   
June 30, 2019
    
December 31, 2018
  
Unused Availability:
                
United States
  
$
4,788
     $
4,253
  
Australia
  
 
381
      
238
  
Brazil
  
 
294
      
304
  
Mexico
  
 
261
      
102
  
Total Unused Availability
  
$
5,724
     $
4,897