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Note B - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) | 12 Months Ended
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Dec. 31, 2021
Land Improvements [Member] |
Useful lives (Year) | 10 years
Vehicles [Member] |
Useful lives (Year) | 5 years
Minimum [Member] | Building [Member] |
Useful lives (Year) | 20 years
Minimum [Member] | Machinery and Equipment [Member] |
Useful lives (Year) | 2 years
Minimum [Member] | Furniture and Fixtures [Member] |
Useful lives (Year) | 3 years
Minimum [Member] | Computer Equipment and Software [Member] |
Useful lives (Year) | 3 years
Maximum [Member] | Building [Member] |
Useful lives (Year) | 42 years
Maximum [Member] | Machinery and Equipment [Member] |
Useful lives (Year) | 20 years
Maximum [Member] | Furniture and Fixtures [Member] |
Useful lives (Year) | 7 years
Maximum [Member] | Computer Equipment and Software [Member] |
Useful lives (Year) | 10 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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
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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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: |