Stock Repurchases (Tables)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Information Regarding Shares of Common Stock Repurchased

The following table sets forth information regarding the shares of our common stock that we repurchased in the periods indicated:

	Three Months Ended March 31,
	2013		2012
Number of shares		0		2,097,200
Total cost	$	0	$	146,657
Average cost per share	$	0	$	69.93