Note 7 - Current and Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Revenue Equipment Installment Notes [Member]
Long-term debt, current	$ 38,461	$ 27,550
Long-term debt, noncurrent	163,387	155,832
Real Estate Note [Member]
Long-term debt, current	1,184	166
Long-term debt, noncurrent	$ 30,124	3,608
Other Note Payable [Member]
Long-term debt, current		108
Long-term debt, noncurrent		$ 91
Borrowings under Credit Facility, current
Borrowings under Credit Facility, noncurrent	$ 3,002
Long-term debt, current	39,645	$ 27,824
Long-term debt, noncurrent	196,513	159,531
Principal portion of capital lease obligations, secured by related revenue equipment	4,031	1,606
Capital lease obligations, long-term	10,547	13,372
Total debt and capital lease obligations	43,676	29,430
Total debt and capital lease obligations	$ 207,060	$ 172,903

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

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