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Inventories
3 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
entories
The following table sets forth the Company’s inventories by type:
 
As of
June 30, 2013
 
As of
December 31, 2012
 
(in thousands)
Raw materials
$
3,103

 
$
3,754

Work-in-process
4,655

 
11,317

Finished goods
11,751

 
15,393

Total
$
19,509

 
$
30,464


In the three months ended June 30, 2013 and 2012, the Company recorded within cost of product revenues $5.1 million and $78.0 million, respectively, of write-offs for excess and obsolete inventories.