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Note 13 - Acquisitions (Tables) | 9 Months Ended
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Sep. 30, 2016
Notes Tables |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
Consideration: |  |  |  |
Cash |  | $ | 4,025 |
Hecla stock issued (8,309,006 shares at $5.79 per share) |  |  | 48,109 |
Total consideration |  | $ | 52,134 |
Fair value of net assets acquired: |  |  |  |
Assets: |  |  |  |
Cash |  | $ | 94 |
Property, plants, equipment and mineral interests |  |  | 68,476 |
Restricted cash |  |  | 1,185 |
Other assets |  |  | 329 |
Total assets |  |  | 70,084 |
Liabilities: |  |  |  |
Accounts payable and accrued liabilities |  |  | 2,357 |
Deferred tax liability |  |  | 14,469 |
Non-current reclamation liability |  |  | 1,124 |
Total liabilities |  |  | 17,950 |
Net assets |  | $ | 52,134 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands, except per share amounts) |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Sales of products |  | $ | 179,393 |  |  | $ | 104,941 |  |  | $ | 481,712 |  |  | $ | 328,230 |
Net income (loss) |  |  | 26,322 |  |  |  | (10,934 | ) |  |  | 47,988 |  |  |  | (27,799 | )
Income (loss) applicable to common shareholders |  |  | 26,184 |  |  |  | (11,071 | ) |  |  | 47,574 |  |  |  | (28,213 | )
Basic and diluted income (loss) per common share |  |  | 0.07 |  |  |  | (0.03 | ) |  |  | 0.12 |  |  |  | (0.07 | )

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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