Inventories	9 Months Ended
Sep. 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 September 30, 2011 and December 31, 2010 are $2.0 million and $1.4 million, respectively, of finished goods and $0.7 million and $0.8 million, respectively, of components.

Inventories

9 Months Ended

Sep. 30, 2011

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 September 30, 2011 and December 31, 2010 are $2.0 million and $1.4 million, respectively, of finished goods and $0.7 million and $0.8 million, respectively, of components.