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Note 7 - Debt (Tables) | 3 Months Ended
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Mar. 31, 2015
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] |
(in thousands) |  | March 31, 2015 |  |  | December 31, 2014 |
|  | Current |  |  | Long-Term |  |  | Current |  |  | Long-Term |
Borrowings under Credit Facility |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Revenue equipment installment notes with finance companies; weighted average interest rate of 3.7% and 3.8% at March 31, 2015 and December 31, 2014, respectively, due in monthly installments with final maturities at various dates ranging from April 2015 to January 2022, secured by related revenue equipment |  |  | 23,222 |  |  |  | 127,433 |  |  |  | 27,550 |  |  |  | 155,832 |
Real estate note; interest rate of 2.5% at March 31, 2015 and December 31, 2014, due in monthly installments with fixed maturity at December 2018, secured by related real estate |  |  | 152 |  |  |  | 3,580 |  |  |  | 166 |  |  |  | 3,608 |
Other note payable, interest rate of 3.0% at March 31, 2015 and December 31, 2014, with fixed maturity at November 2016 |  |  | 108 |  |  |  | 66 |  |  |  | 108 |  |  |  | 91 |
Total debt |  |  | 23,482 |  |  |  | 131,079 |  |  |  | 27,824 |  |  |  | 159,531 |
Principal portion of capital lease obligations, secured by related revenue equipment |  |  | 1,723 |  |  |  | 14,142 |  |  |  | 1,606 |  |  |  | 13,372 |
Total debt and capital lease obligations |  | $ | 25,205 |  |  | $ | 145,221 |  |  | $ | 29,430 |  |  | $ | 172,903 |

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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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