Related Party Transactions (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Amount charged on Leased premises	$ 282	$ 148
White Plains, NY [Member]
Amount charged on Leased premises	126	122
Los Angeles, CA [Member]
Amount charged on Leased premises	26	26
Foster City, CA [Member]
Amount charged on Leased premises	$ 130	$ 0