Quarterly report pursuant to Section 13 or 15(d)

2. LIQUIDITY (Details Narrative)

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2. LIQUIDITY (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2018
Jan. 31, 2017
Apr. 30, 2017
Capitalization And Management Plans          
Accumulated deficit $ (94,668,675)   $ (94,668,675)   $ (89,135,302)
Net loss $ (2,030,660) $ (1,282,146) $ (5,533,373) $ (3,288,663)