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COMMON STOCK (Details 1)
$ in Thousands
9 Months Ended
Mar. 31, 2018
CAD ($)
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number of Outstanding | shares 16,049,909
Aggregate Intrinsic Value | $ $ 510
Number Exercisable | shares 14,612,409
Aggregate Intrinsic Value | $ $ 510
Exercise Price C$0.47 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Expiry Date Nov. 09, 2022
Number of Outstanding | shares 3,925,000
Aggregate Intrinsic Value | $ $ 510
Number Exercisable | shares 3,925,000
Aggregate Intrinsic Value | $ $ 510
Exercise Price C$0.62 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Expiry Date Jan. 19, 2021
Number of Outstanding | shares 5,264,909
Aggregate Intrinsic Value | $
Number Exercisable | shares 5,264,909
Aggregate Intrinsic Value | $
Exercise Price C$0.76 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Expiry Date Mar. 06, 2022
Number of Outstanding | shares 5,650,000
Aggregate Intrinsic Value | $
Number Exercisable | shares 4,237,500
Aggregate Intrinsic Value | $
Exercise Price C$0.94 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Expiry Date Apr. 28, 2018
Number of Outstanding | shares 400,000
Aggregate Intrinsic Value | $
Number Exercisable | shares 400,000
Aggregate Intrinsic Value | $
Exercise Price C$0.94 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Expiry Date Apr. 28, 2019
Number of Outstanding | shares 100,000
Aggregate Intrinsic Value | $
Number Exercisable | shares 75,000
Aggregate Intrinsic Value | $
Exercise Price C$0.94 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Expiry Date Jul. 21, 2021
Number of Outstanding | shares 710,000
Aggregate Intrinsic Value | $
Number Exercisable | shares 710,000
Aggregate Intrinsic Value | $