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Note 5 - Income Taxes (Details) - Domestic and Foreign Components of Income (Loss) from Operations Before Income Taxes (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Note 5 - Income Taxes (Details) - Domestic and Foreign Components of Income (Loss) from Operations Before Income Taxes [Line Items] |  |  |
Income (loss) from continuing operations | $ 12,584 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | $ (34,925)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | $ 23,833 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Domestic Tax Authority [Member] |  |  |
Note 5 - Income Taxes (Details) - Domestic and Foreign Components of Income (Loss) from Operations Before Income Taxes [Line Items] |  |  |
Income (loss) from continuing operations | (1,505)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember | (1,681)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember | 37,025 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember
Foreign Tax Authority [Member] |  |  |
Note 5 - Income Taxes (Details) - Domestic and Foreign Components of Income (Loss) from Operations Before Income Taxes [Line Items] |  |  |
Income (loss) from continuing operations | $ 14,089 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | $ (33,244)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | $ (13,192)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember

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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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