Note L - Off-balance Sheet Arrangements (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Rent Expense [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
	(in thousands)
Rent expense related to revenue equipment	$	1,718	$	2,469	$	3,458	$	4,957

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

	(in thousands)
2017	$	1,858
2018		181
Total future minimum lease payments	$	2,039