| Accrued Expenses | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Apr. 30, 2016 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Payables and Accruals [Abstract] | Ìý | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accrued Expenses | Note 7.ÌýAccrued Expenses Ìý Accrued expenses consisted of the following at April 30, 2016 and 2015: Ìý 
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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- References No definition available. 
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