CONDENSED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS - CAD	9 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Operating activities
Net loss for the period	CAD (5,981,130)	CAD (8,201,295)
Add items not affecting cash:
Depreciation	19,629	20,697
Stock-based compensation (note 7)	639,350	1,145,473
Write-off of capitalized acquisition costs (note 5(a))	677,695	0
Gain on sale of capitalized acquisition costs (notes 5(b) and 5(c))	(92,397)	0
Unrealized loss on marketable securities	0	60,305
Gain on foreign exchange	(144,223)	(58,839)
Changes in non-cash items:
Accounts receivable	7,506	(10,218)
Prepaid expenses	21,620	(29,375)
Accounts payable and accrued liabilities	(318,509)	(380,567)
Cash used in operating activities	(5,170,459)	(7,453,819)
Financing activities
Cash received from issuance of shares	2,000,000	10,689,450
Share issuance costs	(13,401)	(190,167)
Repayment of promissory note	(298,488)	0
Cash provided by financing activities	1,688,111	10,499,283
Investing activities
Expenditures on property and equipment	0	(13,822)
Refund of reclamation bond	0	522,332
Cash received from sale of capitalized acquisition costs (note 5(b))	25,728	0
Capitalized acquisition costs	(32,594)	0
Cash provided by (used in) investing activities	(6,866)	508,510
Effect of foreign exchange on cash	231,169	197,351
Increase (decrease) in cash and cash equivalents	(3,258,045)	3,751,325
Cash and cash equivalents, beginning of the period	5,159,962	3,227,970
Cash and cash equivalents, end of the period	CAD 1,901,917	CAD 6,979,295