Income Taxes (Schedule of Income Tax Expense (Benefit)) (Details) - USD ($) None in scaling factor is -9223372036854775296	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Current:
Federal
State
Total Current Income tax expense (benefit)
Deferred:
Federal
State
Total Deferred Income tax expense (benefit)
Total Income tax expense (benefit)