DEFERRED REVENUE (Tables)

12 Months Ended

Dec. 31, 2020

Deferred Revenue Abstract

Deferred revenue

	At December 31		At December 31
(in thousands)	2020		2019
Deferred revenue – pre-sold toll milling:
CLJV Toll Milling - APG	$	36,617	$	36,321
	$	36,617	$	36,321
Deferred revenue-by balance sheet presentation:
Current	$	3,478	$	4,580
Non-current		33,139		31,741
	$	36,617	$	36,321

Deferred revenue liability continuity

(in thousands)	2020			2019
Balance-January 1	$	36,321		$	37,727
Revenue earned during the period (note 21)		(2,762	)		(4,609	)
Accretion		3,058			3,203
Balance-December 31	$	36,617		$	36,321