PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

Property, plant and equipment [abstract]

Plant and equipment continuity

	Plant and Equipment						Mineral		Total
(in thousands)	Owned			Right-of-Use			Properties		PP&E
Cost:
Balance – January 1, 2019	$	103,430		$	—		$	178,947	$	282,377
Adoption of IFRS 16		—			944			—		944
Additions		376			38			534		948
Disposals		(104	)		(76	)		—		(180	)
Reclamation adjustment (note 13)		885			—			—		885
Balance – December 31, 2019	$	104,587		$	906		$	179,481	$	284,974
Additions		16			26			262		304
Disposals		(60	)		(41	)		—		(101	)
Reclamation adjustment (note 13)		1,544			—			—		1,544
Balance – December 31, 2020	$	106,087		$	891		$	179,743	$	286,721
Accumulated amortization, depreciation:
Balance – January 1, 2019	$	(24,086	)	$	—		$	—	$	(24,086	)
Amortization		(212	)		—			—		(212	)
Depreciation		(3,527	)		(237	)		—		(3,764	)
Disposals		95			40			—		135
Reclamation adjustment (note 13)		212			—			—		212
Balance – December 31, 2019	$	(27,518	)	$	(197	)	$	—	$	(27,715	)
Amortization		(243	)		—			—		(243	)
Depreciation		(2,037	)		(198	)		—		(2,235	)
Disposals		60			39			—		99
Reclamation adjustment (note 13)		243			—			—		243
Balance – December 31, 2020	$	(29,495	)	$	(356	)	$	—	$	(29,851	)
Carrying value:
Balance – December 31, 2019	$	77,069		$	709		$	179,481	$	257,259
Balance – December 31, 2020	$	76,592		$	535		$	179,743	$	256,870