Related Party Transactions (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Amount charged on Leased premises	$ 119	$ 74
White Plains, NY [Member]
Amount charged on Leased premises	63	61
Los Angeles, CA [Member]
Amount charged on Leased premises	13	13
Foster City, CA [Member]
Amount charged on Leased premises	$ 43	$ 0