Asset retirement obligations (ARO) (Tables)

9 Months Ended

Sep. 30, 2015

Asset Retirement Obligation Disclosure [Abstract]

Reconciliation of Asset Retirement Obligations (ARO)

Balance, December 31, 2014	$	749,013
Liabilities incurred		—
Accretion expense		55,187
Revisions to estimate		—
Balance, September 30, 2015		804,200
Less current asset retirement obligations		(297,700	)
Long-term asset retirement obligations	$	506,500