FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2018

Statements Line Items

Disclosure of financial assets [Table Text Block]

	Fair value
	through profit or	Amortized	Carrying
	loss	cost	value	Fair value
	$	$	$	$
Financial assets:
Cash and cash equivalents	-	33,376	33,376	33,376
Investments	88	-	88	88
Trade and other receivables	6,007	-	6,007	6,007
Total financial assets	6,095	33,376	39,471	39,471
Financial liabilities:
Accounts payable and accrued liabilites	1,479	17,991	19,470	19,470
Total financial liabilities	1,479	17,991	19,470	19,470

Disclosure of detailed information about financial assets, by fair value hierarchy [Table Text Block]

	Total	Level 1	Level 2	Level 3
	$	$	$	$
Financial assets:
Investments	88	88	-	-
Trade receivables	5,627	-	5,627	-
Total financial assets	5,715	88	5,627	-
Financial liabilities:
Deferred share units	1,407	1,407	-	-
Share appreciation rights	72	-	72	-
Total financial liabilities	1,479	1,407	72	-

Disclosure of credit risk exposure [Table Text Block]

		Carrying		Gross		Carrying		Gross
		amount		impairment		amount		impairment
		December 31, 2018				December 31, 2017
Less than 1 month	$	9,211	$	-	$	13,799	$	-
1 to 3 months		4,284		-		3,943		-
4 to 6 months		1,039		-		3,282		-
Over 6 months		12,413		194		12,988		2,212
Total accounts receivable	$	26,947		194	$	34,012	$	2,212

Disclosure of liquidity risk [Table Text Block]

	Less than	1 to 3	4 to 5	Over 5
	1 year	years	years	years	Total
	$	$	$	$	$
Accounts payable and accrued liabilities	19,470	-	-	-	19,470
Income taxes payable	4,050	-	-	-	4,050
Provision for reclamation and rehabilitation	-	6,066	2,129	-	8,195
Capital expenditure commitments	140	-	-	-	140
Operating leases	394	720	542	1,184	2,840
Total contractual obligations	24,054	6,786	2,671	1,184	34,695

Disclosure of market risk [Table Text Block]

		December 31, 2018						December 31, 2017
		Canadian Dollar			Mexican Peso			Canadian Dollar			Mexican Peso
Financial assets	$	721		$	26,969		$	1,484		$	29,502
Financial liabilities		(2,767	)		(15,438	)		(2,984	)		(17,586	)
Net financial assets (liabilities)	$	(2,046	)	$	11,531		$	(1,500	)	$	11,916