Segment and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Total assets	$ 7,560	$ 7,925	[1]
United States [Member]
Total assets	6,858	7,357
Europe and Other [Member]
Total assets	652	516
Asia [Member]
Total assets	$ 50	$ 52

[1] Amounts derived from the audited financial statements for the year ended December 31, 2011.