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Segment and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total assets	$ 6,850	$ 7,925
United States [Member]
Total assets	6,229	7,357
Europe and Other [Member]
Total assets	583	516
Asia [Member]
Total assets	$ 38	$ 52

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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