Related Party Transactions (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Amount charged on Leased Premises	$ 96	$ 49
White Plains, NY [Member]
Amount charged on Leased Premises	33	32
Los Angeles, CA [Member]
Amount charged on Leased Premises	6	6
Foster City, CA [Member]
Amount charged on Leased Premises	$ 57	$ 11