Note 8 - Leases (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Scheduleof Future Minimum Lease Paymentsfor Operatingand Capital Leases [Table Text Block]

	Operating		Capital
2018	$	73	$	3,606
2019		73		3,606
2020		73		5,813
2021		-		5,368
202 2		-		5,175
Thereafter		-		3,383
Total minimum lease payments	$	219	$	26,951
Less: amount representing interest				(2,212	)
Present value of minimum lease payments				24,739
Less: current portion				(2,962	)
Capital lease obligations, long-term			$	21,777

Schedule of Rent Expense [Table Text Block]

(in thousands)	2017		2016		2015
Revenue equipment rentals	$	12,055	$	10,773	$	12,611
Building and lot rentals		448		708		2,078
Other equipment rentals		261		254		340
	$	12,764	$	11,735	$	15,029