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Inventory
6 Months Ended
Jun. 30, 2011
Inventory [Abstract]  
Inventory
6.  
Inventory

Inventories as of June 30, 2011 and December 31, 2010 consist of the following:

 
June 30,      2011
December 31, 2010
Raw materials
$223
$592
Work in process
6,188
699
Finished goods
131
132
 
$6,542
$1,423

At June 30, 2011, $0.6 million of inventories were included in prepaid expenses and other current assets and $5.9 million of inventories were included in other assets.  At December 31, 2010, inventories were included in prepaid expenses and other current assets.