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Inventories (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Inventories

Inventories were as follows:

 

(US$ in thousands)

   September 30,
2012
    December 31,
2011
 

Raw materials

   $ 9,210      $ 10,115   

Work-in-process

     7,734        5,606   

Finished products

     45,718        49,141   

Field inventory

     38,041        39,400   

Consignment inventory

     7,085        7,551   
  

 

 

   

 

 

 
     107,788        111,813   

Less reserve for obsolescence

     (26,966     (28,844
  

 

 

   

 

 

 
   $ 80,822      $ 82,969