Note 4 - Segment Reporting (Details) - Operating Income (Loss) by Reporting Segments (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Operating (loss) income
Operating Income (Loss)	$ (945)	$ (4,329)	$ (3,771)	$ (10,965)
Trucking [Member]
Operating (loss) income
Operating Income (Loss)	(3,108)	(6,324)	(7,086)	(14,275)
SCS and Intermodal [Member]
Operating (loss) income
Operating Income (Loss)	$ 2,163	$ 1,995	$ 3,315	$ 3,310