INCOME TAXES (Tables)

12 Months Ended

May 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of income taxes at statutory rates with the reported taxes is as follows for the years ended May 31:

	2016			2015
Loss before income taxes	$	(7,434,215)		$	(10,577,487)
Statutory Canadian corporate tax rate		26.00	%		26.00	%
Income tax recovery at statutory rates	$	(1,932,896)		$	(2,750,147)
Stock-based compensation		214,739			386,281
Effect of tax rate change		-			775,666
Difference in tax rates in other jurisdictions		(422,602)			(647,273)
Tax benefits not realized		2,140,759			2,235,473
Income tax recovery	$	-		$	-

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The significant components of the Company’s deferred income tax assets and liabilities are as follows:

	2016		2015
Deferred income tax assets (liabilities)
Mineral properties	$	15,907,000	$	13,942,000
Property and equipment		30,000		19,000
Share issuance costs		45,000		56,000
Non-capital losses available for future periods		6,451,000		5,316,000
		22,433,000		19,333,000
Valuation allowance		(22,433,000)		(19,333,000)
Net deferred tax assets	$	-	$	-

Summary of Tax Credit Carryforwards [Table Text Block]

	Canada		United States
2029	$	-	$	1,253,000
2030		-		2,000
2031		379,000		186,000
2032		1,089,000		1,595,000
2033		1,443,000		2,106,000
2034		1,733,000		4,102,000
2035		1,806,000		1,906,000
2036		1,354,000		1,854,000
	$	7,804,000	$	13,004,000