Note 4 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2013

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Percent of Total Base Revenue
	Trucking			SCS			Intermodal
Three Months Ended
March 31, 2013		76.1	%		20.5	%		3.5	%
March 31, 2012		77.6	%		18.0	%		4.4	%

Base Revenue And Fuel Surcharge Revenue By Segments [Table Text Block]

	(in thousands) Revenue
	Three Months Ended March 31,
	2013			2012
Base revenue
Trucking	$	79,803		$	75,937
SCS		23,043			22,318
Intermodal		3,744			4,406
Eliminations		(1,703	)		(4,838	)
Total base revenue		104,887			97,823
Fuel surcharge revenue
Trucking		22,225			21,031
SCS		4,320			4,026
Intermodal		1,057			1,302
Eliminations		(462	)		(509	)
Total fuel surcharge revenue		27,140			25,850
Total revenue	$	132,027		$	123,673

Operating Income (Loss) By Reporting Segments [Table Text Block]

	(in thousands) Operating (loss) income
	Three Months Ended March 31,
	2013				2012
Operating (loss) income
Trucking		$	(3,978	)		$	(7,956	)
SCS			1,282				1,544
Intermodal			(131	)			(224	)
Operating loss		$	(2,827	)		$	(6,636	)

Assets By Reporting Segments [Table Text Block]

	(in thousands) Total Assets
	March 31, 2013			December 31, 2012
Total Assets
Trucking		$	226,194		$	218,145
Corporate and Other			115,104			113,349
Total Assets		$	341,298		$	331,494

Amortization And Depreciation By Reporting Segments [Table Text Block]

	(in thousands) Depreciation and Amortization
	Three Months Ended March 31,
	2013			2012
Depreciation and Amortization
Trucking		$	10,254		$	10,407
SCS			30			27
Intermodal			49			93
Corporate and Other			582			630
Total Depreciation and Amortization		$	10,915		$	11,157