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v3.22.4

Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives (Details) |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022
Tractor [Member] |  |
Useful life (Year) |  | 5 years
Trailer [Member] |  |
Useful life (Year) |  | 7 years
Refrigerated Containers [Member] |  |
Useful life (Year) |  | 12 years
Service And Other Equipment [Member] | Minimum [Member] |  |
Useful life (Year) | 3 years |
Service And Other Equipment [Member] | Maximum [Member] |  |
Useful life (Year) | 15 years |
Building and Building Improvements [Member] | Minimum [Member] |  |
Useful life (Year) | 20 years |
Building and Building Improvements [Member] | Maximum [Member] |  |
Useful life (Year) | 40 years |

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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 No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |