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Inventories
6 Months Ended
Jun. 30, 2011
Inventories  
Inventories

5. Inventories

 

Inventories are stated at the lower of cost or estimated realizable value.  We determine the cost of inventory using the weighted-average cost method.

 

The components of inventory are as follows:

June 30, December 31,
2011   2010
     
Raw materials  $            4,377  $          4,835
Work-in-process              50,785            37,312
Finished goods              20,060            20,018
 $          75,222  $        62,165