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Note 3 - Inventories (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
September 30,
 
 
December 31,
 
 
 
2016
 
 
2015
 
 
 
Unaudited
 
 
 
 
 
                 
Raw materials, parts and supplies
  $ 219     $ 336  
Work in progress
    213       191  
Finished products
    754       1,015  
                 
    $ 1,186     $ 1,542