XML 35 R24.htm IDEA: XBRL DOCUMENT v3.19.1
Note 6 - Inventories (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March 31,
201
9
   
December 31,
201
8
 
Raw materials
  $
5,068
    $
4,654
 
Work in process
   
777
     
1,026
 
Inventory consigned to others
   
62
     
62
 
Finished goods
   
1,239
     
778
 
Total inventories
  $
7,146
    $
6,520