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Note 4 - Accrued Expenses and Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2013
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] |
|  | 2013 |  |  | 2012 |
|  | (in thousands) |
Payroll |  | $ | 3,252 |  |  | $ | 2,733 |
Accrued vacation |  |  | 1,766 |  |  |  | 1,872 |
Taxes—other than income |  |  | 2,232 |  |  |  | 2,063 |
Interest |  |  | 110 |  |  |  | 152 |
Driver escrows |  |  | 1,395 |  |  |  | 1,197 |
Margin account borrowings |  |  | 10,017 |  |  |  | 10,711 |
Self-insurance claims |  |  | 3,730 |  |  |  | 2,580 |
Total accrued expenses and other liabilities |  | $ | 22,502 |  |  | $ | 21,308 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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