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Inventory
12 Months Ended
Dec. 31, 2011
Inventory [Abstract]  
Inventory
7.  
Inventory

Inventories as of December 31, 2011 and December 31, 2010 consist of the following:

 
2011
2010
             Raw materials
$1,608
$592
             Work in process
10,806
699
             Finished goods
1,142
132
 
$13,556
$1,423

At December 31, 2011, $3.5 million of inventories were included in prepaid expenses and other current assets and $10.1 million of inventories were included in other assets.  At December 31, 2010, inventories were included in prepaid expenses and other current assets.

In 2011, cost of goods sold included inventory write-downs of $0.5 million.  In 2010, there were no inventory write-downs included in cost of goods sold.