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Note 3 - Income Taxes | 3 Months Ended
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Mar. 31, 2019
Notes to Financial Statements |
Income Tax Disclosure [Text Block] | Note 3. Income Taxes Major components of our income tax benefit (provision) for the three months ended March 31, 2019 and 2018 are as follows (in thousands):
|  | Three Months Ended |
|  | March 31, |
|  | 2019 |  |  | 2018 |
Current: |  |  |  |  |  |  |  |
Domestic |  | $ | — |  |  | $ | — |
Foreign |  |  | (1,077 | ) |  |  | (1,206 | )
Total current income tax benefit (provision) |  |  | (1,077 | ) |  |  | (1,206 | )
Deferred: |  |  |  |  |  |  |  |
Domestic |  |  | 2,477 |  |  |  | — |
Foreign |  |  | 5,816 |  |  |  | 438 |
Total deferred income tax benefit (provision) |  |  | 8,293 |  |  |  | 438 |
Total income tax benefit (provision) |  | $ | 7,216 |  |  | $ | (768 | )
The current income tax benefit (provision) for the three months ended March 31, 2019 and 2018 varies from the amounts that would have resulted from applying the statutory income tax rate to pre-tax income due primarily to the impact of taxation in foreign jurisdictions and a valuation allowance on the majority of U.S. deferred tax assets. As of March 31, 2019, we have a net deferred tax liability in the U.S. of $51.6 million, a net deferred tax liability in Canada of $107.8 million and a net deferred tax asset in Mexico of $3.1 million, for a consolidated worldwide net deferred tax liability of $156.3 million. With the acquisition of Klondex Mines Ltd. ("Klondex") on July 20, 2018 ( see Note 13 ), we acquired a U.S. consolidated tax group (the "Nevada U.S. Group") that did not join the existing consolidated U.S. tax group of Hecla Mining Company and subsidiaries (“Hecla U.S.”). Under acquisition accounting, we recorded a net deferred tax liability of $60.2 million. For the three months ended March 31, 2019, we recorded a tax benefit of $2.5 million in the Nevada U.S. Group. Net operating losses acquired as of the acquisition date are subject to limitation under Internal Revenue Code Section 382. However, the annual limitation is not expected to have a material impact on our ability to utilize the losses. For Hecla U.S., we recorded a full valuation allowance in the U.S. in December 2017 as a result of U.S. tax reform. Our circumstances at March 31, 2019 continued to support a full valuation allowance in the U.S. for Hecla U.S.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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