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Note 7 - Debt (Tables) | 3 Months Ended
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Mar. 31, 2014
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] |
(in thousands) |  | March 31, 2014 |  |  | December 31, 2013 |
|  | Current |  |  | Long-Term |  |  | Current |  |  | Long-Term |
Borrowings under Credit Facility |  | $ | - |  |  | $ | 19,301 |  |  | $ | - |  |  | $ | 7,010 |
Revenue equipment installment notes with finance companies; weighted average interest rate of 4.1% and 4.7% at March 31, 2014 and December 31, 2013, respectively, due in monthly installments with final maturities at various dates ranging from April 2014 to September 2018, secured by related revenue equipment |  |  | 42,632 |  |  |  | 144,829 |  |  |  | 43,745 |  |  |  | 158,596 |
Real estate note; interest rate of 2.4% at March 31, 2014 and December 31, 2013, due in monthly installments with fixed maturity at December 2018, secured by related real estate |  |  | 217 |  |  |  | 3,679 |  |  |  | 217 |  |  |  | 3,693 |
Other note payable, interest rate of 3.0% at March 31, 2014 and December 31, 2013, respectively, with fixed maturity at November 2016 |  |  | 108 |  |  |  | 167 |  |  |  | 108 |  |  |  | 192 |
Total debt |  |  | 42,957 |  |  |  | 167,976 |  |  |  | 44,070 |  |  |  | 169,491 |
Principal portion of capital lease obligations, secured by related revenue equipment |  |  | 9,608 |  |  |  | 11,578 |  |  |  | 8,732 |  |  |  | 13,186 |
Total debt and capital lease obligations |  | $ | 52,565 |  |  | $ | 179,554 |  |  | $ | 52,802 |  |  | $ | 182,677 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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