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Note 11 - Federal and State Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2013
Income Tax Disclosure [Abstract] |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | 2013 |  |  | 2012 |
|  | (in thousands) |
|  | Current |  |  | Long-Term |  |  | Current |  |  | Long-Term |
Deferred tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and equipment |  | $ | - |  |  | $ | 73,099 |  |  | $ | - |  |  | $ | 69,667 |
Unrealized gains on securities |  |  | 3,769 |  |  |  | - |  |  |  | 2,591 |  |  |  | - |
Prepaid expenses and other |  |  | 2,498 |  |  |  | - |  |  |  | 4,171 |  |  |  | - |
Total deferred tax liabilities |  |  | 6,267 |  |  |  | 73,099 |  |  |  | 6,762 |  |  |  | 69,667 |
Deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  |  | 561 |  |  |  | - |  |  |  | 439 |  |  |  | - |
Alternative minimum tax credit carryforward |  |  | - |  |  |  | 318 |  |  |  | - |  |  |  | 193 |
QAFMV tax credit carryforward |  |  | - |  |  |  | 864 |  |  |  | - |  |  |  | 864 |
New hire tax credit |  |  | - |  |  |  | 124 |  |  |  | - |  |  |  | 124 |
Compensated absences |  |  | 594 |  |  |  | - |  |  |  | 616 |  |  |  | - |
Self-insurance allowances |  |  | 1,027 |  |  |  | - |  |  |  | 787 |  |  |  | - |
Share-based compensation |  |  | - |  |  |  | 702 |  |  |  | - |  |  |  | 582 |
Goodwill |  |  | - |  |  |  | 37 |  |  |  | - |  |  |  | 364 |
Marketable equity securities |  |  | 767 |  |  |  | - |  |  |  | 723 |  |  |  | - |
Net operating loss carryover |  |  | - |  |  |  | 21,255 |  |  |  | - |  |  |  | 23,115 |
Capital loss carryover |  |  | 667 |  |  |  | - |  |  |  | 915 |  |  |  | - |
Non-competition agreement |  |  | - |  |  |  | 30 |  |  |  | - |  |  |  | 47 |
Other |  |  | - |  |  |  | 5 |  |  |  | 10 |  |  |  | 10 |
Total deferred tax assets |  |  | 3,616 |  |  |  | 23,335 |  |  |  | 3,490 |  |  |  | 25,299 |
Net deferred tax liability |  | $ | 2,651 |  |  | $ | 49,764 |  |  | $ | 3,272 |  |  | $ | 44,368 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
|  | Amount |  |  | Percent |  |  | Amount |  |  | Percent |  |  | Amount |  |  | Percent |
Income tax at the statutory federal rate |  | $ | 3,288 |  |  |  | 34.0 |  |  | $ | 1,222 |  |  |  | 34.0 |  |  | $ | (1,901 | ) |  |  | 34.0 |
Nondeductible expenses |  |  | 127 |  |  |  | 1.3 |  |  |  | 138 |  |  |  | 3.8 |  |  |  | 171 |  |  |  | (3.0 | )
QAFMV credit |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
New hire credit |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (124 | ) |  |  | 2.2 |
State income taxes—net of federal benefit |  |  | 341 |  |  |  | 3.6 |  |  |  | 56 |  |  |  | 1.6 |  |  |  | (879 | ) |  |  | 15.7 |
Total income tax expense (benefit) |  | $ | 3,756 |  |  |  | 38.9 |  |  | $ | 1,416 |  |  |  | 39.4 |  |  | $ | (2,733 | ) |  |  | 48.9 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 124 |  |  | $ | - |  |  | $ | - |
State |  |  | 35 |  |  |  | 51 |  |  |  | 35 |
|  |  | 159 |  |  |  | 51 |  |  |  | 35 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 2,909 |  |  |  | 1,166 |  |  |  | (1,904 | )
State |  |  | 688 |  |  |  | 199 |  |  |  | (864 | )
|  |  | 3,597 |  |  |  | 1,365 |  |  |  | (2,768 | )
Total income tax expense (benefit) |  | $ | 3,756 |  |  | $ | 1,416 |  |  | $ | (2,733 | )

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized 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 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying 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 + Details
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