XML 35 R24.htm IDEA: XBRL DOCUMENT v3.21.1
Note 9 - Business Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Revenue from External Customers by Geographic Areas [Table Text Block]
    Three Months Ended
    March 31,
    2021   2020
Consolidated Revenue:                
United States   $
5,393
    $
6,341
 
Brazil    
140
     
1,063
 
Other    
180
     
133
 
Total revenue   $
5,713
    $
7,537