XML 81 R28.htm IDEA: XBRL DOCUMENT v3.19.3
Note 11 - Business Segment Reporting (Tables)
 9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
    Three Months Ended   Nine Months Ended
    September 30,   September 30,
    2019   2018   2019   2018
Consolidated Revenue:                                
United States   $
7,102
     $
7,535
     $
20,969
     $
22,392
  
Brazil    
2,619
      
3,383
      
7,620
      
10,011
  
Other    
131
      
98
      
374
      
335
  
Total Revenue   $
9,852
     $
11,016
     $
28,963
     $
32,738