Schedule of Lease Amounts Paid to Related Parties (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Amount Charged on Leased Premises	$ 285	$ 306
Lease Amounts [Member] | Foster City, CA [Member]
Amount Charged on Leased Premises	228	228
Lease Amounts [Member] | Edwardsville, IL [Member]
Amount Charged on Leased Premises	57	0
Lease Amounts [Member] | White Plains, NY [Member]
Amount Charged on Leased Premises	0	66
Lease Amounts [Member] | Los Angeles,CA [Member]
Amount Charged on Leased Premises	$ 0	$ 12