XML 84 R30.htm IDEA: XBRL DOCUMENT v3.20.1
Note 6 - Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
2019
   
2018
 
Raw materials
  $
5,369
    $
4,654
 
Work in process
   
949
     
1,026
 
Inventory consigned to others
   
54
     
62
 
Finished goods
   
810
     
778
 
Total inventories
  $
7,182
    $
6,520