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Note 13 - Income Taxes Income Tax Details (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) percentagepoint | Dec. 31, 2014 USD ($)
Operating Loss Carryforwards [Line Items] |  |
Accrued Income Taxes, Current | $ 124,000 |
Income Taxes Receivable, Current | 9,700 |
Operating Loss Carryforwards | 1,100,000 |
Foreign tax credit carryforward | 900 |
Alternative minimum tax credit carryforward | 5,923 | $ 2,286
State net operating loss carryforward | 46,914 | 34,851
Valuation Allowance, Amount | $ 36,230 | $ 17,874
Percentage of Stock Ownership Needed to Be Included in Calculation of Change in Control Under Section 382 of Internal Revenue Code of 1986 | 5.00% |
Number of Basis Point Increase in Ownership Over Three Year Period Needed By the Entity's Five Percent Shareholders | percentagepoint | 50 |
Number of Years (Rolling) Used for Calculating Percentage Change in Ownership for Change in Control | 3 years |

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- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph b(1) -Article 7 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 + Details
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