Supplementary Disclosures of the Consolidated Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2012

Supplementary Disclosures of the Consolidated Statements of Cash Flows

Schedule of non-cash investing and financing activities

The following table sets forth non-cash investing and financing activities for the three years ended December 31:

	2012		2011		2010
Liabilities released on property dispositions	$	—	$	—	$	351,092