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Note 3 - Income and Mining Taxes | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Income Tax Disclosure [Text Block] | Note 3. Income and Mining Taxes Major components of our income and mining tax (provision) benefit for the three months ended March 31, 2022 and 2021 are as follows (in thousands):
|  | Three Months Ended |
|  | March 31, |
|  | 2022 |  |  | 2021 |
Current: |  |  |  |  |  |  |  |
Domestic |  | $ | (2,103 | ) |  | $ | (2,277 | )
Foreign |  |  | (1,741 | ) |  |  | (2,286 | )
Total current income and mining tax provision |  |  | (3,844 | ) |  |  | (4,563 | )
Deferred: |  |  |  |  |  |  |  |
Domestic |  |  | (5,091 | ) |  |  | 896 |
Foreign |  |  | 3,304 |  |  |  | (1,076 | )
Total deferred income and mining tax provision |  |  | (1,787 | ) |  |  | (180 | )
Total income and mining tax provision |  | $ | (5,631 | ) |  | $ | (4,743 | )
The income and mining tax provision for the three-month periods ended March 31, 2022 and 2021 varies from the amounts that would have resulted from applying the statutory tax rates to pre-tax income due primarily to the impact of taxation in foreign jurisdictions and non-recognition of net operating losses and foreign exchange gains and losses in certain jurisdictions. For the three-month period ended March 31, 2022, we used the annual effective tax rate method to calculate the tax provision, a change from the discrete method used for the three-month period ended March 31, 2021, due to reversal of valuation allowance in the fourth quarter of 2021. Valuation allowances on Nevada, Mexico and certain Canadian net operating losses were treated as discrete adjustments to the annual effective tax rate method calculation, partially causing the increase in the income tax rate for the three-month period ended March 31, 2022 as compared to March 31, 2021.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI https://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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