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Note 7 - Inventories, Net of Inventory Reserves (Tables)
9 Months Ended
Sep. 30, 2015
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
 
September 30,
2015
 
December 31,
2014
Finished goods
$
583
 
$
486
Work in process
 
257
   
255
Raw materials and accessories
 
246
   
302
Supplies and packing materials
 
288
   
279
Total inventories, net of inventory reserves
$
1,374
 
$
1,322