Note 4 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

(in thousands)	Estimated Useful Lives (Years)		2019		2018
Revenue equipment		3-10	$	588,828	$	504,192
Communications equipment		5-10		6,189		3,850
Land and improvements		0-15		23,398		25,240
Buildings and leasehold improvements		7-40		75,471		75,134
Construction in-progress		-		400		3,121
Other		2-10		31,097		27,233
			$	725,383	$	638,770