CAPITAL STOCK (Details 3)	9 Months Ended
	Apr. 30, 2016 $ / shares shares
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price | $ / shares	$ 1.61
Number of Warrants Outstanding | shares	13,953,872
Weighted Average Remaining Contractual Remaining Contractual Life (Years)	2 years 6 months 22 days
Warrants1 [Member]
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price | $ / shares	$ 1.20
Number of Warrants Outstanding | shares	6,594,348
Expiry Date	Mar. 10, 2019
Weighted Average Remaining Contractual Remaining Contractual Life (Years)	2 years 10 months 10 days
Warrants2 [Member]
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price | $ / shares	$ 1.35
Number of Warrants Outstanding | shares	2,600,000
Expiry Date	Jan. 30, 2020
Weighted Average Remaining Contractual Remaining Contractual Life (Years)	3 years 9 months
Warrants3 [Member]
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price | $ / shares	$ 1.95
Number of Warrants Outstanding | shares	50,000
Expiry Date	Jun. 03, 2018
Weighted Average Remaining Contractual Remaining Contractual Life (Years)	2 years 1 month 2 days
Warrants4 [Member]
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price | $ / shares	$ 2.12
Number of Warrants Outstanding | shares	2,850,000
Expiry Date	Jun. 25, 2018
Weighted Average Remaining Contractual Remaining Contractual Life (Years)	2 years 1 month 24 days
Warrants5 [Member]
Class of Warrant or Right [Line Items]
Weighted Average Exercise Price | $ / shares	$ 2.60
Number of Warrants Outstanding | shares	1,859,524
Expiry Date	Oct. 23, 2016
Weighted Average Remaining Contractual Remaining Contractual Life (Years)	5 months 23 days