SHARE CAPITAL (Details Textual) - CAD				1 Months Ended			12 Months Ended
	Mar. 11, 2016	Sep. 01, 2015	Apr. 08, 2015	Nov. 18, 2015	Feb. 27, 2015	Aug. 27, 2014	May 31, 2016	May 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock Issued During Period, Shares, New Issues	4,900,000				4,500,000
Sale of Stock, Price Per Share	CAD 0.70				CAD 1.00
Proceeds from Issuance of Private Placement	CAD 3,430,000				CAD 4,500,000
Payments of Stock Issuance Costs	CAD 12,483			CAD 5,021	CAD 17,810		CAD 25,884	CAD 207,977
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term							2 years 5 months 1 day	2 years 10 months 6 days
Share Based Compensation Arrangement by Share Based Payment Award Options Grant in Period, Fair Value							CAD 420,866	CAD 1,109,011
Stock Issued During Period, Value, Stock Options Exercised							122,667	9,450
Stock Issued During Period, Shares, Acquisitions			85,000	25,000
Stock Issued During Period, Value, Acquisitions			CAD 64,600	CAD 11,250			CAD 11,250	CAD 64,600
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock Issued During Period, Shares, Other							245,334	18,900
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period							245,334	18,900
Stock Issued During Period, Value, Stock Options Exercised							CAD 122,667	CAD 9,450
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum							10.00%
Private Placement [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock Issued During Period, Shares, New Issues		4,255,320				5,150,000
Sale of Stock, Price Per Share		CAD 0.47				CAD 1.20
Proceeds from Issuance of Private Placement		CAD 2,000,000				CAD 6,180,000
Payments of Stock Issuance Costs		CAD 8,380				CAD 190,167