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

12 Months Ended

Dec. 31, 2023

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 2023, 2022 and 2021 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,
		2023								2022								2021
		(in thousands)
		Amount				Percent				Amount				Percent				Amount				Percent
United States - domestic shipments		$	512,552				63.2			$	629,921				66.5			$	474,291				67.9
Shipments to or from Mexico			296,696				36.6				313,885				33.2				223,315				32.0
Shipments to or from Canada			1,559				0.2				3,056				0.3				891				0.1

Total		$	810,807				100	%		$	946,862				100	%		$	698,497				100	%

Our five largest customers, for which we provide carrier services covering a number of geographic locations, accounted for approximately 34%, 39% and 33% of our total revenues in 2023, 2022 and 2021, respectively. General Motors Company accounted for approximately 12%, 13% and 11% of our revenues in 2023, 2022 and 2021, respectively.

We also provide transportation services to other manufacturers who are suppliers for automobile manufacturers. Approximately 30%, 31% and 27% of our revenues were derived from transportation services provided to the automobile industry during 2023, 2022 and 2021, respectively.

Accounts receivable from the three largest customers totaled approximately $24,665,000 and $36,622,000 at December 31, 2023 and 2022, respectively.