Quarterly report pursuant to Section 13 or 15(d)

2. LIQUIDITY AND MANAGEMENT PLANS (Details Narrative)

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2. LIQUIDITY AND MANAGEMENT PLANS (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2016
Oct. 31, 2015
Apr. 30, 2016
Liquidity And Management Plans          
Accumulated deficit $ (86,698,134)   $ (86,698,134)   $ (84,691,617)
Net loss $ (974,551) $ (1,635,582) $ (2,006,517) $ (3,150,620)