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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Raw materials $ 276 $ 803
Finished goods 1,528 2,106
Inventory Gross 1,804 2,909
Less: Inventory allowance (146) (33)
Inventories, net $ 1,658 $ 2,876