Annual report pursuant to Section 13 and 15(d)

Income Tax - Schedule of Income Tax Expense (Benefit) (Details)

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Income Tax - Schedule of Income Tax Expense (Benefit) (Details) - USD ($)
12 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Income Tax Disclosure [Abstract]    
Current: Federal
Current: State and local 2,800
Total current 2,800
Deferred: Federal (438,145)
Deferred: State and local
Total deferred (438,145)
Total income tax expense (benefit) $ 435,345