2. CAPITALIZATION AND MANAGEMENT PLANS (Details Narrative) - USD ($)	3 Months Ended								12 Months Ended
	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2013
Capitalization And Management Plans
Accumulated deficit	$ (78,627,833)				$ (68,700,127)				$ (78,627,833)	$ (68,700,127)
Net loss	$ (4,020,389)	$ (1,458,050)	$ (2,864,443)	$ (1,584,824)	$ (16,470,811)	$ (458,772)	$ (5,658,070)	$ (4,666,367)	$ (9,927,706)	$ (27,254,020)	$ (1,598,102)

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