Note 7 - Debt - Current and Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Revenue Equipment Installment Notes [Member]
Current maturities of long-term debt	$ 28,605	$ 38,461
Long-term debt, noncurrent	133,462	163,387
Real Estate Note [Member]
Current maturities of long-term debt	1,214	1,184
Long-term debt, noncurrent	29,217	30,124
Borrowings under Credit Facility
Borrowings under Credit Facility	15,836	3,002
Current maturities of long-term debt	29,555	39,395
Long-term debt, noncurrent	178,188	196,057
Deferred loan costs	(264)	(250)
Deferred loan costs	(327)	(456)
Current portion of capital lease obligations	1,736	4,031
Principal portion of capital lease obligations, secured by related revenue equipment	13,693	10,547
Total debt and capital lease obligations	31,291	43,426
Total debt and capital lease obligations	$ 191,881	$ 206,604

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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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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