CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares
REVENUE:
Revenue	$ 32,691	$ 26,896	$ 84,657	$ 101,743
OPERATING EXPENSES:
Depreciation and depletion	(7,488)	(3,143)	(17,501)	(10,332)
Gross profit	1,619	6,013	7,724	29,333
OTHER OPERATING EXPENSES:
Advanced projects	(2,140)	(5,230)	(6,881)	(10,990)
General and administrative expenses	(2,645)	(2,192)	(8,078)	(8,323)
Loss from investment in Minera Santa Cruz S.A. (note 8)	(328)	(4,973)	(6,775)	(7,450)
Depreciation	(96)	(279)	(417)	(912)
Revision of estimates and accretion of reclamation obligations (note 11)	(495)	(314)	(1,383)	(896)
Total other operating expenses	(19,399)	(21,219)	(47,251)	(58,286)
Operating loss	(17,780)	(15,206)	(39,527)	(28,953)
OTHER (EXPENSE) INCOME:
Interest and other finance (expense) income, net	(650)	(832)	(3,946)	(612)
Other income (expense) (note 3)	4,773	1,135	6,283	793
Total other (expense) income	4,123	303	2,337	181
Loss before income and mining taxes	(13,657)	(14,903)	(37,190)	(28,772)
Income and mining tax recovery	2,192	1,613	2,575	4,891
Net loss and comprehensive loss	$ (11,465)	$ (13,290)	$ (34,615)	$ (23,881)
Net loss per share (note 13):
Basic and Diluted (in dollars per share) | $ / shares	$ (0.03)	$ (0.04)	$ (0.10)	$ (0.07)
Weighted average common shares outstanding (thousands) (note 13):
Basic and Diluted (in shares) | shares	362,175	337,278	356,218	337,083
Shareholders' distribution declared per common share (note 12) | $ / shares		0.005		0.010
Gold and silver sales
REVENUE:
Revenue	$ 32,691	$ 26,896	$ 84,657	$ 101,743
Production costs applicable to sales
OPERATING EXPENSES:
Cost of goods and services sold	(23,584)	(17,740)	(59,432)	(62,078)
Exploration
OPERATING EXPENSES:
Cost of goods and services sold	$ (13,695)	$ (8,231)	$ (23,717)	$ (29,715)