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Note 1 - Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Depreciation, Increase Decrease	$ 1,200			$ 3,800
Gain (Loss) on Disposition of Property Plant Equipment	$ (209)	$ 602		$ (1,748)	$ 12,380
Tractors [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years			5 years
Property, Plant and Equipment, Salvage Value, Percentage	0.00%			0.00%
Tractors [Member] | Minimum [Member]
Property, Plant and Equipment, Salvage Value, Percentage	35.00%			35.00%
Refrigerated Trailers [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years			7 years
Dry Van Trailers [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years			10 years
Dry Van Trailers [Member] | Minimum [Member]
Property, Plant and Equipment, Salvage Value, Percentage	28.00%			28.00%
Dry Van Trailers [Member] | Maximum [Member]
Property, Plant and Equipment, Salvage Value, Percentage	25.00%			25.00%
Terminal Property [Member] | CALIFORNIA
Gain (Loss) on Disposition of Property Plant Equipment			$ 7,600

X

- Definition

Represents the increase or decrease in depreciation amount for the period.

+ References

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+ Details

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X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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- Definition

Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost.

+ References

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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