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2. LIQUIDITY AND MANAGEMENT PLANS (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016	Apr. 30, 2016
Liquidity And Management Plans
Accumulated deficit	$ (87,980,280)		$ (87,980,280)		$ (84,691,617)
Net loss	$ (1,282,146)	$ (1,791,097)	$ (3,288,663)	$ (4,941,720)

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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