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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2013
INVENTORIES [Abstract]  
Inventory

Inventory at March 31, 2013 and December 31, 2012 consisted of the following:

 

    March 31,     December 31,  
    2013     2012  
    (U.S. dollars in thousands)  
Raw materials   $ 2,418     $ 2,118  
Work in progress     341       192  
Finished goods     3,014       1,729  
Total inventory   $ 5,773     $ 4,039