CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Cash paid to suppliers and employees	$ (25,148)	$ (35,098)
Cash flow from revenues	15,640	41,285
Interest paid	(1,316)
Interest received	3	50
Cash (used in) provided by operating activities	(10,821)	6,237
Cash flows from investing activities:
Additions to mineral property interests, plant and equipment and construction in progress	(16,512)	(10,832)
Proceeds from sale of investments (note 2)		2,663
Return of investment received from Minera Santa Cruz S.A. (note 5)	2,020	4,851
Cash (used in) investing activities	(14,492)	(3,318)
Cash flows from financing activities:
Shareholders' distribution (note 8)		(1,685)
Proceeds of exercise of stock options (note 8)	223	40
Proceeds of at-the-market common share issuance (note 8)	1,851
Principal repayments on leases (note 15)	(448)
Proceeds from equity issued (note 8)	19,320
Proceeds from warrants issued (note 8)	2,680
Share and warrant issuance costs (note 8)	(1,748)
Cash provided by (used in) financing activities	21,878	(1,645)
Effect of exchange rate change on cash and cash equivalents	(337)	314
(Decrease) increase in cash, cash equivalents and restricted cash	(3,772)	1,588
Cash, cash equivalents and restricted cash, beginning of period	30,489	37,153
Cash, cash equivalents and restricted cash, end of period (note 16)	26,717	38,741
Reconciliation of net loss to cash (used in) provided by operating activities:
Net loss	(10,136)	(5,211)
Adjustments to reconcile net loss from operating activities:
Loss from investment in Minera Santa Cruz S.A., net of amortization (note 5)	2,310	212
Loss (gain) on investments (note 2)	(827)	2,735
Income and mining tax expense (recovery) (note 7)	118	(1,137)
Stock-based compensation (note 9)	61	203
Revision of estimates and accretion of asset reclamation obligations (note 6)	461	294
Adjustment to the asset retirement obligation estimate (note 6)	301	(359)
Depreciation and amortizations	3,186	4,127
Foreign exchange gain (loss)	337	(314)
Change in non-cash working capital items:
(Increase) decrease in VAT taxes receivable, net of collection of $126 (2018 - $1,968)	(146)	151
(Increase) decrease in other assets related to operations	(5,729)	4,337
(Decrease) increase in liabilities related to operations	(757)	1,199
Cash (used in) provided by operating activities	$ (10,821)	$ 6,237