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Note 6 - Income Taxes (Details) - Summary Reconciliation Reported Amount of Income Tax Expense - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Summary Reconciliation Reported Amount of Income Tax Expense [Abstract] |  |  |  |
Tax (benefit) expense at the U.S. federal statutory rate |  |  | $ (6,182) | $ 1,033
Tax (benefit) expense at the U.S. federal statutory rate | 35.00% |  | 35.00% | 35.00%
State tax based on income, net of refunds and federal benefits |  |  | $ (339) | $ 13
State tax based on income, net of refunds and federal benefits |  |  | 1.90% | 0.40%
Taxes on subsidiaries’ earnings allocated to noncontrolling interests owners |  |  | $ (397) | $ (1,113)
Taxes on subsidiaries’ earnings allocated to noncontrolling interests owners |  |  | 2.30% | (37.70%)
Valuation allowance |  |  | $ 6,545 | $ 104
Valuation allowance |  |  | (37.10%) | 3.50%
Other permanent differences |  |  | $ 404 | $ (9)
Other permanent differences |  |  | (2.30%) | (0.30%)
Income tax expense | $ 28 | $ 28 | $ 31 | $ 28
Income tax expense |  |  | (0.20%) | 0.90%

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- Definition The total tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. + References No definition available. + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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