INCOME TAXES (Details Textual)	12 Months Ended
May 31, 2016 CAD
UNITED STATES
Exploration Expense, Mining	CAD 50,526,000
Operating Loss Carryforwards	13,004,000
CANADA
Exploration Expense, Mining	333,000
Operating Loss Carryforwards	CAD 7,804,000

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant