Note 5 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

(in thousands)	Estimated Useful Lives (in years)		2014		2013
Revenue equipment		3-10	$	418,574	$	372,968
Communications equipment		5-10		8,248		9,084
Land and improvements		0-10		18,820		19,009
Buildings and leasehold improvements		7-40		37,217		41,876
Construction in-progress		-		2,976		1,859
Other		2-7		19,510		17,580
			$	505,345	$	462,376