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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
REVENUE: |  |  |  |
Revenue | $ 40,706 | $ 18,291 | $ 64,446 | $ 49,691
OPERATING EXPENSES: |  |  |  |
Depreciation and depletion | (5,515) | (4,812) | (10,652) | (11,510)
Gross loss | 4,059 | (8,875) | (927) | (12,560)
OTHER OPERATING EXPENSES: |  |  |  |
Advanced projects | (823) | (2,887) | (2,622) | (5,437)
Exploration | (6,916) | (3,548) | (11,872) | (7,338)
General and administrative | (2,834) | (2,240) | (4,917) | (4,304)
Loss from investment in Minera Santa Cruz S.A. (Note 9) | (1,853) | (1,045) | (2,427) | (3,721)
Depreciation | (75) | (114) | (150) | (229)
Revision of estimates and accretion of asset retirement obligations (Note 11) | (505) | (457) | (1,416) | (1,117)
Impairment of mineral property interests and plant and equipment (Note 8) |  |  |  | (83,805)
Other operating |  | (1,968) |  | (1,968)
Total other operating expenses | (13,006) | (12,259) | (23,404) | (107,919)
Operating loss | (8,947) | (21,134) | (24,331) | (120,479)
OTHER INCOME (EXPENSE): |  |  |  |
Interest and other finance expenses, net | (1,859) | (1,754) | (2,368) | (3,631)
Other income (Note 4) | 3,795 | 3,044 | 5,207 | 3,981
Total other income | 1,936 | 1,290 | 2,839 | 350
Loss before income and mining taxes | (7,011) | (19,844) | (21,492) | (120,129)
Income and mining tax recovery | 1,022 | 30 | 3,037 | 1,124
Net loss and comprehensive loss | $ (5,989) | $ (19,814) | $ (18,455) | $ (119,005)
Net loss per share (Note 13): |  |  |  |
Basic and Diluted (in dollars per share) | $ (0.01) | $ (0.05) | $ (0.04) | $ (0.30)
Weighted average common shares outstanding (thousands) (Note 13): |  |  |  |
Basic and Diluted (in shares) | 459,187 | 400,513 | 450,539 | 400,442
Gold and silver sales |  |  |  |
REVENUE: |  |  |  |
Revenue | $ 40,706 | $ 18,291 | $ 64,446 | $ 49,691
Production costs applicable to sales |  |  |  |
OPERATING EXPENSES: |  |  |  |
Production costs applicable to sales | $ (31,132) | $ (22,354) | $ (54,721) | $ (50,741)

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