Note 5 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Property, Plant and Equipment [Table Text Block]

(in thousands)	Estimated Useful Lives (in years)				2015		2014
Revenue equipment		3	-	10	$	468,693	$	418,574
Communications equipment		5	-	10		8,189		8,248
Land and improvements		0	-	10		25,184		18,820
Buildings and leasehold improvements		7	-	40		71,614		37,217
Construction in-progress			-			1,104		2,976
Other		2	-	7		21,287		19,510
					$	596,071	$	505,345