Asset Retirement Obligations (Tables)

6 Months Ended

Oct. 31, 2015

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Changes to Asset Retirement Obligation

	October 31, 2015			April 30, 2015
Balance, beginning of period	$	918,430		$	818,010
Additions		-			52,514
Accretion		20,327			47,906
Total asset retirement obligations		938,757			918,430
Less: current portion of asset retirement obligations		(541,959	)		(541,959	)
Long-term portion of asset retirement obligations	$	396,798		$	376,471

Schedule of Expected Timing of Asset Retirement Obligations

Year Ending April 30,
2016 (remainder of year)		541,959
2017		212,000
2018		-
2019		-
2020		-
Thereafter		392,166
		1,146,125
Effect of discount		(207,368	)
Total	$	938,757