XML 45 R31.htm IDEA: XBRL DOCUMENT v3.21.1
Note 7 - Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
2020
   
2019
 
Raw materials
  $
5,371
    $
5,369
 
Work in process
   
1,085
     
949
 
Inventory consigned to others
   
45
     
54
 
Finished goods
   
975
     
810
 
Total inventories
  $
7,476
    $
7,182