Note 5 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Property, Plant and Equipment [Table Text Block]

(in thousands)	Estimated Useful Lives (in years)				2016		2015
Revenue equipment		3	-	10	$	499,809	$	468,693
Communications equipment		5	-	10		8,192		8,189
Land and improvements		0	-	10		25,482		25,184
Buildings and leasehold improvements		7	-	40		71,324		71,614
Construction in-progress			-			3,176		1,104
Other		2	-	7		23,093		21,287
					$	631,076	$	596,071