Basis of Financial Statement Presentation and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2013

Basis of Financial Statement Presentation and Significant Accounting Policies [Abstract]

Changes to asset retirement obligations

The following is a description of the changes to our asset retirement obligations for the six months ended June 30:

	2013		2012
Asset retirement obligations at beginning of period	$	28,317	$	256,651
Liabilities incurred during the period		—		—
Accretion expense		1,840		11,143
Asset retirement obligations at end of period	$	30,157	$	267,794