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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Tax Disclosure [Abstract] |
Deferred tax assets and liabilities |
(in thousands) |  | 2020 |  |  | 2019 |
Deferred tax assets: |  |  |  |  |  |
Loss carryovers |  | $ | 12,636 |  |  | $ | 13,284 |
Investment in Mineral Property |  |  | 1,669 |  |  |  | 1,669 |
Capitalized Exploration Costs |  |  | 410 |  |  |  | 652 |
Stock option compensation expense |  |  | 286 |  |  |  | 228 |
Unrealized loss on derivative securities |  |  | 148 |  |  |  | 237 |
Other |  |  | 110 |  |  |  | 135 |
Valuation allowance |  |  | (15,050 | ) |  |  | (15,999 | )
Total deferred tax assets |  |  | 209 |  |  |  | 206 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Unrealized gains on marketable equity securities |  |  | 207 |  |  |  | 198 |
Other |  |  | 2 |  |  |  | 8 |
Total deferred tax liabilities |  |  | 209 |  |  |  | 206 |
Net deferred tax liabilities |  | $ | - |  |  | $ | - |
Income tax from continuing operations |
(in thousands) |  | 2020 |  |  | 2019 |
Expected income tax benefit |  | $ | (197 | ) |  | $ | (691 | )
Equity based compensation |  |  | 7 |  |  |  | 7 |
Foreign tax rate differences |  |  | (8 | ) |  |  | (116 | )
State income tax |  |  | (37 | ) |  |  | (84 | )
Expiration of Capital Loss Carryovers |  |  | 1,225 |  |  |  | 66 |
Adjustment to Deferred Taxes |  |  | (23 | ) |  |  | (101 | )
Change in valuation allowance |  |  | (949 | ) |  |  | 900 |
Permanent differences and other |  |  | (18 | ) |  |  | 19 |
Income tax (benefit) expense |  | $ | - |  |  | $ | - |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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