v3.19.2
Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
Balance as of
 
   
June 30
, 2019
   
December 31, 201
8
 
Raw materials
  $
1,422
    $
694
 
Work-in-process
   
273
     
160
 
Finished goods
   
1,149
     
 
Total
  $
2,844
    $
854