Leases (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended	6 Months Ended
	Apr. 30, 2012 sqft	Jun. 30, 2012	Jun. 30, 2012
Leases [Abstract]
Amount of space agreed to lease	52,500
Addition lease space, obligation	8,000
Lease termination penalty interest		8	8
Lease renewaloOption period			12 months
Operating Leases, Rent Expense		$ 300
Operating Leases, Future Minimum Payments Due		$ 12,200	$ 12,200