Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Income Taxes [Abstract]

Reconciliation of the change in the amount of gross unrecognized income tax benefits

	September 30, 2012		December 31, 2011
Balance at beginning of period	$	632	$	—
Increase of unrecognized tax benefits related to prior years		—		632
Balance at end of period	$	632	$	632