Note 3 - Details of Consolidated Balance Sheet Accounts (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

(In thousands)	2019		2018
License fees	$	5,321	$	4,760
Tires in service		4,972		5,011
Parts and tires inventory		3,394		3,528
Insurance premiums		2,356		1,831
Contract assets		1,729		1,823
Other		3,166		2,971
	$	20,938	$	19,924

Schedule of Accrued Liabilities [Table Text Block]

(In thousands)	2019		2018
Accrued expenses	$	6,738	$	7,091
Vacation		6,558		5,895
Salaries and wages		5,438		9,744
Accrued liability to MWL		-		1,222
Other		2,946		4,214
	$	21,680	$	28,166