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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
REVENUE: |  |  |
Gold and silver sales | $ 5,966 |  |
Income on investment in Minera Santa Cruz S.A., net of amortization - note 8 | 20,835 |  |
Total Revenue | 26,801 |  |
COSTS AND EXPENSES: |  |  |
Production costs applicable to sales | 3,861 |  |
Mine operating costs | 8,507 |  |
Mine construction costs | 14,260 | 1,745 |
Exploration costs | 47,179 | 42,983 | 19,210
Property holding costs | 7,207 | 3,464 | 4,358
General and administrative | 16,841 | 7,035 | 5,397
Acquisition costs | 1,513 | 3,893 |
Accretion of asset retirement obligation | 447 | 524 | 515
Depreciation | 1,033 | 577 | 454
Gain on sale of assets | (1,110) | (36) | (29)
Asset impairments - note 7 | 18,468 |  | 5,878
Total costs and expenses | 118,206 | 60,185 | 35,783
Operating loss | (91,405) | (60,185) | (35,783)
OTHER INCOME (EXPENSE): |  |  |
Interest income | 228 | 94 | 112
Interest expense |  | 108 | (15)
Litigation settlement - note 11 | (3,830) |  |
Gain on sale of gold and silver bullion - note 5 | 3,075 | 2,075 |
Unrealized loss on silver bullion - note 5 | (359) | (3,394) |
(Loss) gain on sale of marketable equity securities - note 4 | (70) | 19 |
Other-than-temporary impairment on marketable equity securities - note 4 | (1,993) |  |
Foreign currency (loss) gain | 456 | (769) | 597
Total other (expense) income | (2,493) | (1,867) | 694
Loss before income taxes | (93,898) | (62,052) | (35,089)
Recovery of income taxes - note 10 | 27,244 | 180 | 1,998
Net loss | (66,654) | (61,872) | (33,091)
OTHER COMPREHENSIVE LOSS: |  |  |
Reclassification of unrealized gain on marketable equity securities disposed of during the year | 1,000 |  |
Unrealized (loss) gain on available-for-sale securities, net of taxes | (5) | (1,546) | 542
Comprehensive loss | $ (65,659) | $ (63,418) | $ (32,549)
Basic and diluted per share data: |  |  |
Net loss - basic and diluted (2011 and 2010 - as adjusted) - note 13 (in dollars per share) | $ (0.26) | $ (0.42) | $ (0.25)
Weighted average common shares outstanding: |  |  |
Weighted average shares outstanding - basic and diluted (2011 and 2010 - as adjusted) - note 13 (in shares) | 261,223 | 147,692 | 132,633

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- Definition Net of tax amount of the appreciation (loss) in value of unsold available-for-sale securities attributable to the parent entity. Excludes amounts related to other than temporary impairment (OTTI) losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569643-111683 + Details
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