Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year ended December 31,
(in thousands)	2020		2019		2018
Revenues:
Expedited	$	320,202	$	356,521	$	469,308
Dedicated		288,652		342,473		257,739
Managed Freight		177,579		138,616		129,790
Warehousing		52,128		47,777		23,580
Total revenues	$	838,561	$	885,387	$	880,417

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

Years ended December 31:	Beginning balance January 1,		Additional provisions to allowance		Write-offs and other adjustments			Ending balance December 31,
2020	$	1,440	$	3,011	$	(1,459	)	$	2,992
2019	$	1,577	$	141	$	(278	)	$	1,440
2018	$	1,258	$	182	$	137		$	1,577

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(in thousands except per share data)
	2020			2019		2018
Numerators:
(Loss) income from continuing operations	$	(14,120	)	$	5,219	$	40,860
(Loss) income from discontinued operations		(28,598	)		3,258		1,643
Net (loss) income	$	(42,718	)	$	8,477	$	42,503
Denominator:
Denominator for basic income per share – weighted-average shares		17,358			18,435		18,340
Effect of dilutive securities:
Equivalent shares issuable upon conversion of unvested restricted shares		-			200		129
Equivalent shares issuable upon conversion of unvested employee stock options		-			-		-
Denominator for diluted income per share adjusted weighted-average shares and assumed conversions		17,358			18,635		18,469
Basic (loss) income per share:
Income (loss) from continuing operations	$	(0.81	)	$	0.28	$	2.23
(Loss) income from discontinued operations	$	(1.65	)	$	0.18	$	0.09
Net (loss) income per basic share	$	(2.46	)	$	0.46	$	2.32
Diluted (loss) income per share:
Income (loss) from continuing operations	$	(0.81	)	$	0.28	$	2.21
(Loss) income from discontinued operations	$	(1.65	)	$	0.17	$	0.09
Diluted income per share	$	(2.46	)	$	0.45	$	2.30