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INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE (Tables) | 6 Months Ended
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Jun. 30, 2019
Summary of MSC's financial information from operations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | Six months ended June 30,
​ |  | 2019 |  | 2018 |  | 2019 |  | 2018
Minera Santa Cruz S.A. (100%) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Revenue from gold and silver sales | ​ | $ | 62,597 | ​ | $ | 52,272 | ​ | $ | 108,800 | ​ | $ | 102,934
Production costs applicable to sales | ​ | ​ | (52,896) | ​ | ​ | (43,346) | ​ | ​ | (89,236) | ​ | ​ | (86,814)
Other operating expenses | ​ | ​ | (9,440) | ​ | ​ | (3,553) | ​ | ​ | (18,843) | ​ | ​ | (7,612)
Other expenses | ​ | ​ | (855) | ​ | ​ | (6,136) | ​ | ​ | (3,298) | ​ | ​ | (8,254)
Net (loss) income before tax | ​ | $ | (594) | ​ | $ | (763) | ​ | $ | (2,577) | ​ | $ | 254
Current and deferred tax expense | ​ | ​ | (3,049) | ​ | ​ | (6,937) | ​ | ​ | (3,838) | ​ | ​ | (7,076)
Net loss | ​ | $ | (3,643) | ​ | $ | (7,700) | ​ | $ | (6,415) | ​ | $ | (6,822)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Portion attributable to McEwen Mining Inc. (49%) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss | ​ | $ | (1,784) | ​ | $ | (3,773) | ​ | $ | (3,142) | ​ | $ | (3,343)
Amortization of fair value increments | ​ |  | (2,459) | ​ |  | (2,482) | ​ |  | (4,372) | ​ |  | (4,597)
Income tax recovery | ​ | ​ | 106 | ​ | ​ | 3,990 | ​ | ​ | 1,067 | ​ | ​ | 5,463
Loss from investment in MSC, net of amortization | ​ | $ | (4,137) | ​ | $ | (2,265) | ​ | $ | (6,447) | ​ | $ | (2,477)
Schedule of change in the entity's investment in MSC | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2019 |  | December 31, 2018
Investment in MSC, beginning of period | ​ | $ | 127,814 | ​ | $ | 150,064
Attributable net loss from MSC | ​ | ​ | (3,142) | ​ | ​ | (10,065)
Amortization of fair value increments | ​ |  | (4,372) | ​ |  | (9,730)
Income tax recovery | ​ | ​ | 1,067 | ​ | ​ | 7,930
Dividend distribution received | ​ |  | (2,020) | ​ |  | (10,385)
Investment in MSC, end of period | ​ | $ | 119,347 | ​ | $ | 127,814
Summary of key assets and liabilities, before and after adjustments to fair value | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As at June 30, 2019 | ​ | Balance excluding FV increments | ​ | Adjustments | ​ | Balance including FV increments
Current assets | ​ | $ | 71,226 | ​ | $ | 341 | ​ | $ | 71,567
Total assets | ​ | ​ | 190,935 | ​ | ​ | 129,493 | ​ | ​ | 320,428
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current liabilities | ​ | $ | (38,675) | ​ | $ | — | ​ | $ | (38,675)
Total liabilities | ​ | ​ | (67,110) | ​ | ​ | (9,754) | ​ | ​ | (76,864)
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