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INVENTORY
12 Months Ended
Dec. 31, 2012
Inventory, Net [Abstract]  
Inventory Disclosure [Text Block]
INVENTORY

 
 
As of December 31,
 
 
2011
 
2012
Raw materials
 
$
1,663

 
$
3,281

Work-in-process
 
481

 
782

Finished goods
 

 
1,043

 
 
$
2,144

 
$
5,106