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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Year ended
		December 31,
(in thousands)		2019				2018				2017
Revenues:
Highway Services:
Expedited		$	262,764			$	317,244			$	314,579
OTR			93,757				152,064				153,413
Total Highway Services			356,521				469,308				467,992
Dedicated			342,473				257,739				144,845
Managed Freight:
Brokerage			102,479				102,730				79,630
TMS			36,136				27,036				9,412
Warehousing			47,779				23,580				-
Total Managed Freight			186,394				153,346				89,042
Factoring			9,140				5,062				3,128
Total revenues		$	894,528			$	885,455			$	705,007

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

Years ended December 31:		Beginning balance January 1,				Additional provisions to (reversal of) allowance				Write-offs and other adjustments				Ending balance December 31,
2019		$	1,985			$	255			$	(296	)		$	1,944
2018		$	1,456			$	507			$	22			$	1,985
2017		$	1,345			$	454			$	(343	)		$	1,456

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

(in thousands except per share data)
		2019				2018				2017
Numerator:
Net income		$	8,477			$	42,503			$	55,439
Denominator:
Denominator for basic income per share – weighted-average shares			18,435				18,340				18,279
Effect of dilutive securities:
Equivalent shares issuable upon conversion of unvested restricted shares			200				129				93
Denominator for diluted income per share adjusted weighted-average shares and assumed conversions			18,635				18,469				18,372
Net income per share:
Basic income per share		$	0.46			$	2.32			$	3.03
Diluted income per share		$	0.45			$	2.30			$	3.02

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Tabular disclosure of allowance for credit loss on accounts receivable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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