Note 7 - Debt (Detail) - Current and Long-term Debt (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Borrowings under Credit Facility	$ 4,000	$ 5
Total debt	56,798	63,636
Total debt	102,731	95,214
Capital lease obligations, secured by related revenue equipment	2,127	2,091
Capital lease obligations, secured by related revenue equipment	13,458	14,003
Total debt and capital lease obligations	58,925	65,727
Total debt and capital lease obligations	116,189	109,217
Revenue Equipment Installment Notes [Member]
Notes payable, current	54,437	61,200
Notes payable, long-term	98,467	94,920
Real Estate Note [Member]
Notes payable, current	2,253	2,328
Other Note Payable [Member]
Notes payable, current	108	108
Notes payable, long-term	$ 264	$ 289

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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