Note 7 - Current and Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Revenue Equipment Installment Notes [Member]
Current maturities of long-term debt	$ 31,408	$ 27,550
Long-term debt	158,455	155,832
Real Estate Note [Member]
Current maturities of long-term debt	1,065	166
Long-term debt	$ 30,509	3,608
Other Note Payable [Member]
Current maturities of long-term debt		108
Long-term debt		$ 91
Borrowings under Credit Facility
Current maturities of long-term debt	$ 32,473	$ 27,824
Long-term debt	188,964	159,531
Principal portion of capital lease obligations, secured by related revenue equipment	4,144	1,606
Principal portion of capital lease obligations, secured by related revenue equipment	10,866	13,372
Total debt and capital lease obligations	36,617	29,430
Total debt and capital lease obligations	$ 199,830	$ 172,903

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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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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The carrying value as of the balance sheet date of the current 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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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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