Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2011

Summary of Significant Accounting Policies (Tables) [Abstract]

Summary of exit activities

	Accrued Exit							Accrued
	Costs at							Exit Costs at
	December 31,				Payments in			June 30,
	2010		Exit Costs		2011			2011
Accrued exit costs	$	64	$	—	$	(64	)	$	—