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INVESTMENT IN MINERA SANTA CRUZ S.A. (''MSC'') - SAN JOSE MINE (Details 4) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2013
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE |  |  |  |
Current assets | $ 43,692 |  |  | $ 46,771
Total assets | 924,611 |  | 923,066 | 923,066
Current liabilities | 13,384 |  |  | 11,189
Total liabilities | 159,576 |  |  | 176,299
Dividends received | 3,945 |  |  |
MSC |  |  |  |
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE |  |  |  |
Current assets | 106,200 |  |  |
Total assets | 544,400 |  |  |
Current liabilities | 42,600 |  |  |
Total liabilities | 138,700 |  |  |
Impairment of investment in Minera Santa Cruz S.A. |  | 95,900 |  | 95,878
Dividends received | $ 3,900 |  |  |

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