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Note 14 - Guarantor Subsidiaries - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
Parent Company [Member] |  |
Cash flows from operating activities | $ 14,525 | $ 11,043
Cash flows from investing activities: |  |
Additions to properties, plants, and equipment | (348) | (436)
Acquisition of Mines Management, net of cash acquired | (3,931) | 809
Other investing activities, net | (24,696) | 61
Cash flows from financing activities: |  |
Dividends paid to shareholders | (3,296) | 3,210
Proceeds from (payments on) debt |  |
Other financing activity, net | 33,335 | (29,949)
Effect of exchange rates on cash |  |
Changes in cash and cash equivalents | 15,589 | (23,300)
Cash and cash equivalents at beginning of period | 94,167 | 146,885
Cash and cash equivalents at end of period | 109,756 | 123,585
Cash flows from operating activities | 14,525 | 11,043
Additions to properties, plants, and equipment | (348) | (436)
Acquisition of Revett, net of cash acquired | 3,931 | (809)
Other investing activities, net | (24,696) | 61
Dividends paid to shareholders | 3,296 | (3,210)
Proceeds from (payments on) debt |  |
Guarantor Subsidiaries [Member] |  |
Cash flows from operating activities | 51,599 | 63,831
Cash flows from investing activities: |  |
Additions to properties, plants, and equipment | (71,265) | (69,930)
Acquisition of Mines Management, net of cash acquired |  |
Other investing activities, net | (816) | 172
Cash flows from financing activities: |  |
Dividends paid to shareholders |  |
Proceeds from (payments on) debt | (7,477) |
Other financing activity, net | 24,522 | 24,294
Effect of exchange rates on cash |  |
Changes in cash and cash equivalents | (3,437) | 11,258
Cash and cash equivalents at beginning of period | 42,692 | 33,824
Cash and cash equivalents at end of period | 39,255 | 45,082
Cash flows from operating activities | 51,599 | 63,831
Additions to properties, plants, and equipment | (71,265) | (69,930)
Acquisition of Revett, net of cash acquired |  |
Other investing activities, net | (816) | 172
Dividends paid to shareholders |  |
Proceeds from (payments on) debt |  | (7,109)
Non-Guarantor Subsidiaries [Member] |  |
Cash flows from operating activities | 61,710 | 32,258
Cash flows from investing activities: |  |
Additions to properties, plants, and equipment | (48,623) | (25,033)
Acquisition of Mines Management, net of cash acquired |  |
Other investing activities, net | (3,647) | (903)
Cash flows from financing activities: |  |
Dividends paid to shareholders |  |
Proceeds from (payments on) debt | (658) |
Other financing activity, net | (8,926) | (24,507)
Effect of exchange rates on cash | 627 | (4,044)
Changes in cash and cash equivalents | 483 | (23,169)
Cash and cash equivalents at beginning of period | 18,350 | 28,956
Cash and cash equivalents at end of period | 18,833 | 5,787
Cash flows from operating activities | 61,710 | 32,258
Additions to properties, plants, and equipment | (48,623) | (25,033)
Acquisition of Revett, net of cash acquired |  |
Other investing activities, net | (3,647) | (903)
Dividends paid to shareholders |  |
Proceeds from (payments on) debt |  | (940)
Consolidated Entities [Member] |  |
Cash flows from operating activities | 173,114 | 78,968
Cash flows from investing activities: |  |
Additions to properties, plants, and equipment | (120,236) | (95,399)
Acquisition of Mines Management, net of cash acquired | (3,931) | 809
Other investing activities, net | (29,159) | (670)
Cash flows from financing activities: |  |
Dividends paid to shareholders | (3,296) | 3,210
Proceeds from (payments on) debt | (8,135) |
Other financing activity, net | 3,651 | (1,998)
Effect of exchange rates on cash | 627 | (4,044)
Changes in cash and cash equivalents | 12,635 | (35,211)
Cash and cash equivalents at beginning of period | 155,209 | 209,665
Cash and cash equivalents at end of period | 167,844 | 174,454
Cash flows from operating activities | 173,114 | 78,968
Additions to properties, plants, and equipment | (120,236) | (95,399)
Acquisition of Revett, net of cash acquired | 3,931 | (809)
Other investing activities, net | (29,159) | (670)
Dividends paid to shareholders | 3,296 | (3,210)
Proceeds from (payments on) debt |  | (8,049)
Consolidation, Eliminations [Member] |  |
Cash flows from operating activities | 45,280 | (28,164)
Cash flows from investing activities: |  |
Additions to properties, plants, and equipment |  |
Acquisition of Mines Management, net of cash acquired |  |
Other investing activities, net |  |
Cash flows from financing activities: |  |
Dividends paid to shareholders |  |
Proceeds from (payments on) debt |  |
Other financing activity, net | (45,280) | 28,164
Effect of exchange rates on cash |  |
Changes in cash and cash equivalents |  |
Cash and cash equivalents at beginning of period |  |
Cash and cash equivalents at end of period |  |
Cash flows from operating activities | 45,280 | (28,164)
Additions to properties, plants, and equipment |  |
Acquisition of Revett, net of cash acquired |  |
Other investing activities, net |  |
Dividends paid to shareholders |  |
Proceeds from (payments on) debt |  |
Cash flows from operating activities | 173,114 | 78,968
Additions to properties, plants, and equipment | (120,236) | (95,399)
Acquisition of Mines Management, net of cash acquired | (3,931) | (809)
Proceeds from (payments on) debt | (1,807) | (216)
Effect of exchange rates on cash | 627 | (4,044)
Changes in cash and cash equivalents | 12,635 | (35,211)
Cash and cash equivalents at beginning of period | 155,209 | 209,665
Cash and cash equivalents at end of period | 167,844 | 174,454
Cash flows from operating activities | 173,114 | 78,968
Additions to properties, plants, and equipment | (120,236) | (95,399)
Acquisition of Revett, net of cash acquired | $ 3,931 | $ 809

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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