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Note 7 - Income Taxes (Details) - Summary Reconciliation Reported Amount of Income Tax Expense to the Amount Of Income Tax Expense Under Federal Statutory Tax Rates (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Summary Reconciliation Reported Amount of Income Tax Expense to the Amount Of Income Tax Expense Under Federal Statutory Tax Rates [Abstract] |  |  |  |
Tax expense (benefit) at the U.S. federal statutory rate |  |  | $ 449 | $ (11,014)
Tax expense (benefit) at the U.S. federal statutory rate |  |  | 35.00% | 35.00%
State franchise and income tax based on income, net of refunds and federal benefits |  |  | (53) | (625)
State franchise and income tax based on income, net of refunds and federal benefits |  |  | (4.10%) | 2.00%
Taxes on subsidiaries’ and joint ventures’ earnings allocated to noncontrolling ownership interests |  |  | (1,906) | (1,187)
Taxes on subsidiaries’ and joint ventures’ earnings allocated to noncontrolling ownership interests |  |  | (148.80%) | 3.80%
Valuation allowance |  |  | 1,529 |
Valuation allowance |  |  | 119.40% |
Reduction of tax receivable |  |  | 524 |
Reduction of tax receivable |  |  | 40.90% |
Non-taxable interest income |  |  |  | (231)
Non-taxable interest income |  |  |  | 0.70%
Other permanent differences |  |  | 30 | 129
Other permanent differences |  |  | 2.40% | (0.40%)
Income tax expense (benefit) | $ 546 | $ (380) | $ 573 | $ (12,928)
Income tax expense (benefit) |  |  | 44.70% | 41.10%

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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 The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate applied to permanent differences. + 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 Percentage 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 changes in the valuation allowance for deferred tax assets. + 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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