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


Inventory, which consists of finished goods and component inventory, is stated at the lower of average cost or market using the first-in first-out (FIFO) inventory method. Included in inventories at June 30, 2011 and December 31, 2010 are $1.6 million and $1.4 million, respectively, of finished goods and $0.8 million and $0.8 million, respectively, of components.