XML 38 R27.htm IDEA: XBRL DOCUMENT v3.21.1
Note 7 - Inventories (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March 31,

2021
   
December 31,

2020
 
Raw materials
  $
5,980
    $
5,371
 
Work in process
   
992
     
1,085
 
Inventory consigned to others
   
44
     
45
 
Finished goods
   
1,196
     
975
 
Total inventories
  $
8,212
    $
7,476