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Stock Options (Details Textual) - Stock Option [Member] - USD ($)
6 Months Ended 12 Months Ended
Oct. 31, 2016
Apr. 30, 2013
Stock Options (Textual)    
Stock options granted for services   200,000
Stock options, exercise price   $ 0.55
Stock options, average risk-free interest rate   0.79%
Stock options, expected dividend yield   0.00%
Stock options, expected lives   5 years
Stock options, average expected volatility   2.99%
Expenses related to options vested