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Debentures Held by the Debentureholders

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Public Offering of Floating-Rate Convertible Unsecured Subordinated Debentures

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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LOANS AND BORROWINGS - Narrative (Details) CAD / shares in Units, shares in Thousands, $ in Thousands				12 Months Ended
	Aug. 04, 2016 CAD / shares	Dec. 03, 2013	Jul. 24, 2012 CAD shares	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Aug. 03, 2016 CAD / shares
Debt Instrument [Line Items]
Public offering of floating-rate convertible unsecured subordinated debentures (in shares) \| shares			22
Price per debenture issuance \| CAD			CAD 1,000
Proceeds from issuance of debt \| CAD			CAD 21,550,000
Conversion price per share \| CAD / shares	CAD 4.15						CAD 15.00
Price of aggregate principal amount redeemed	101.00%
Debentures held by the debentureholders	20.00%
Principal amount purchased plus accrued and unpaid interest	100.00%
Nominal interest rate		5.75%
Consecutive trading days			20 days	20 days
Average trading price is not less than percent of the conversion price				125.00%
Debt (in CAD) \| CAD			CAD 1,000
Volume-weighted average trading price of the common shares			95.00%
Principal amount of debenture classified as current liability	20.00%
Change in value of convertible debentures \| $				$ 940	$ 407	$ 1,548
Notes and loans payable \| $				10,860
Current notes payable \| $				$ 3,410
Minimum
Debt Instrument [Line Items]
Nominal interest rate			8.50%
Obligation to repay debenture			40 days
Maximum
Debt Instrument [Line Items]
Nominal 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
Nominal interest rate				8.50%
Wyoming Industrial Development Revenue Bond Program Loan \| Loans Payable
Debt Instrument [Line Items]
Term of debt		7 years
Amortization period		6 years