Asset Retirement Obligation (Tables)

6 Months Ended

Jun. 30, 2014

Asset Retirement Obligation [Abstract]

Changes in Asset Retirement Obligations

The following shows the changes in asset retirement obligations:

Asset retirement obligations, December 31, 2013	$	2,687,801
Liabilities incurred during the period		2,363
Liabilities settled during the period		(30,647)
Accretion		127,389
Asset retirement obligations, June 30, 2014	$	2,786,906