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Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
June 30,
2017
 
 
December 31,
2016
 
                 
Inventories consist of:
               
Finished products
   
45
     
45
 
Net inventory
  $
45
     
45