Asset Retirement Obligations (Tables)

9 Months Ended

Dec. 31, 2012

Asset Retirement Obligation Disclosure [Abstract]

Rollforward of the asset retirement obligations

Carrying amount of asset retirement obligations as of April 1, 2012	$	663,279
Liabilities incurred		103,890
Liabilities settled		(447	)
Accretion expense		28,822
Carrying amount of asset retirement obligations as of December 31, 2012		795,544
Less: Current portion		50,000
Non-Current asset retirement obligation	$	745,544