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COMMON STOCK (Details 3) - $ / shares	9 Months Ended
	Mar. 31, 2018	Jun. 30, 2017
Class of Warrant or Right [Line Items]
Number	27,589,738	20,609,086
Exercise Price C$0.54 [Member]
Class of Warrant or Right [Line Items]
Number	355,132
Exercise Price	$ 0.54
Expiry Date	Dec. 06, 2020
Exercise Price C$0.62 [Member]
Class of Warrant or Right [Line Items]
Number	308,901
Exercise Price	$ 0.62
Expiry Date	Oct. 31, 2020
Exercise Price C$0.66 [Member]
Class of Warrant or Right [Line Items]
Number	283,413
Exercise Price	$ 0.66
Expiry Date	Sep. 28, 2020
Exercise Price C$0.69 [Member]
Class of Warrant or Right [Line Items]
Number	541,435
Exercise Price	$ 0.69
Expiry Date	Feb. 07, 2021
Exercise Price C$0.70 [Member]
Class of Warrant or Right [Line Items]
Number	529,344
Exercise Price	$ 0.70
Expiry Date	Feb. 05, 2021
Exercise Price C$0.72 [Member]
Class of Warrant or Right [Line Items]
Number	3,125,000
Exercise Price	$ 0.72
Expiry Date	Dec. 22, 2018
Exercise Price C$0.72 [Member]
Class of Warrant or Right [Line Items]
Number	1,546,882
Exercise Price	$ 0.72
Expiry Date	Jan. 30, 2021
Exercise Price C$0.73 [Member]
Class of Warrant or Right [Line Items]
Number	260,483
Exercise Price	$ 0.73
Expiry Date	Aug. 15, 2020
Exercise Price C$0.75 [Member]
Class of Warrant or Right [Line Items]
Number	9,150,285
Exercise Price	$ 0.75
Expiry Date	Jan. 19, 2019
Exercise Price C$0.79 [Member]
Class of Warrant or Right [Line Items]
Number	3,155,062
Exercise Price	$ 0.79
Expiry Date	Jul. 26, 2021
Exercise Price C$0.85 [Member]
Class of Warrant or Right [Line Items]
Number	3,860,800
Exercise Price	$ 0.85
Expiry Date	Feb. 14, 2020
Exercise Price C$0.85 [Member]
Class of Warrant or Right [Line Items]
Number	3,043,024
Exercise Price	$ 0.85
Expiry Date	Feb. 21, 2020
Exercise Price C$0.85 [Member]
Class of Warrant or Right [Line Items]
Number	539,307
Exercise Price	$ 0.85
Expiry Date	Feb. 28, 2020
Exercise Price C$0.90 [Member]
Class of Warrant or Right [Line Items]
Number	890,670
Exercise Price	$ 0.90
Expiry Date	Mar. 31, 2020

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 235
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-Section S99
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