Note 7 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Truck Segment		All Other			Total
As of and for the three months ended June 30, 201 5
Revenues from external customers	$	1,326,360	$	3,943		$	1,330,303
Segment income (loss) before taxes		32,159		(197	)		31,962
Segment assets		2,715,032		31,984			2,747,016
As o f the six months ended June 30, 201 5
Revenues from external customers	$	2,516,347	$	7,491		$	2,523,838
Segment income (loss) before taxes		59,911		(561	)		59,350
As of and for the three months ended June 30, 201 4
Revenues from external customers	$	1,177,306	$	5,155		$	1,182,461
Segment income loss before taxes		32,112		277			32,389
Segment assets		2,321,639		31,925			2,353,564
As o f the six months ended June 30, 201 4
Revenues from external customers	$	2,131,936	$	9,192		$	2,141,128
Segment income (loss) before taxes		52,093		(89	)		52,004