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Note 10 - Segment Information, Significant Customers, Industry Concentration and Geographic Areas

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Segment Reporting and Concentration Risk Disclosure [Text Block]

10.

SEGMENT INFORMATION, SIGNIFICANT CUSTOMERS, INDUSTRY CONCENTRATION AND GEOGRAPHIC AREAS

The Company's revenues for 2022, 2021 and 2020 were all generated from operations in the motor carrier segment and are aggregated into a single reporting segment in accordance with the aggregation criteria under GAAP.

The table below presents revenue dollars and percentages by geographic area:

		Year Ended December 31,
		2022								2021								2020
		(in thousands)
		Amount				Percent				Amount				Percent				Amount				Percent
United States - domestic shipments		$	629,921				66.5			$	474,291				67.9			$	316,542				66.1
Shipments to or from Mexico			313,885				33.2				223,315				32.0				161,412				33.7
Shipments to or from Canada			3,056				0.3				891				0.1				1,156				0.2

Total		$	946,862				100	%		$	698,497				100	%		$	479,110				100	%

Our five largest customers, for which we provide carrier services covering a number of geographic locations, accounted for approximately 39%, 33% and 35% of our total revenues in 2022, 2021 and 2020, respectively. General Motors Company accounted for approximately 13%, 11% and 15% of our revenues in 2022, 2021 and 2020, respectively.

We also provide transportation services to other manufacturers who are suppliers for automobile manufacturers. Approximately 31%, 27% and 30% of our revenues were derived from transportation services provided to the automobile industry during 2022, 2021 and 2020, respectively.

Accounts receivable from the three largest customers totaled approximately $36,622,000 and $31,049,000 at December 31, 2022 and 2021, respectively.