v3.8.0.1
Note 3 - Inventories (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
As
of December 31,
 
   
201
7
   
201
6
 
Raw materials
  $
702
    $
1,126
 
Work-in-process
   
254
     
296
 
Finished goods
   
     
732
 
Inventories
  $
956
    $
2,154