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LOANS AND BORROWINGS - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended				6 Months Ended
	Jul. 14, 2020 CAD ($)	Aug. 04, 2016 $ / shares	Jul. 24, 2012 CAD ($) shares	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 CAD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 CAD ($)	Aug. 03, 2016 $ / shares
Debt Instrument [Line Items]
Convertible debentures										$ 20,860,000
Public offering of floating-rate convertible unsecured subordinated debentures (in shares) | shares			22,000
Price per debenture issuance			$ 1,000
Proceeds from issuance of debt			$ 21,550,000
Conversion price per share | $ / shares		$ 4.15									$ 15.00
Price of aggregate principal amount redeemed										1043000000.00%
Debentures held by the debentureholders						20.00%	20.00%
Principal amount purchased plus accrued and unpaid interest		101.00%				100.00%	100.00%			101.00%
Consecutive trading days			20 days					20 days
Average trading price is not less than percent of the conversion price									125.00%
Debt (in CAD)			$ 1,000
Volume-weighted average trading price of the common shares			95.00%
Change in value of Convertible Debentures				$ 465	$ (943)			$ 0	$ 493
Unsecured Debt
Debt Instrument [Line Items]
Change in value of Convertible Debentures				$ 470	$ 940			$ 0	$ (490)
Minimum
Debt Instrument [Line Items]
Stated interest rate			8.50%
Obligation to repay debenture			40 days
Maximum
Debt Instrument [Line Items]
Stated interest rate			13.50%
Obligation to repay debenture			60 days
Convertible Debentures | Convertible Debt
Debt Instrument [Line Items]
Number of days notice to redeem debentures		30 days
Principal amount redeemed						$ 870	$ 1,130,000
Subsequent Event | Convertible Debentures | Convertible Debt
Debt Instrument [Line Items]
Principal amount redeemed	$ 10,430,000

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