Segment and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Total assets	$ 6,588	$ 7,925	[1]
United States [Member]
Total assets	6,106	7,357
Europe and Other [Member]
Total assets	426	516
Asia [Member]
Total assets	$ 56	$ 52

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