Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation And Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts

16. Valuation and Qualifying Accounts

We maintain an allowance for doubtful accounts that is recorded as a contra asset to our accounts receivable balance. The following table sets forth the change in each of those reserves for the years ended December 31, 2011 and December 31, 2010.

	Allowance for accounts receivable
Balance as of December 31, 2010	$	26
Provision
Write offs		2
Balance as of December 31, 2011	$	24