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v3.23.1

Note 3 - Property, Plant and Equipment - Depreciation of property, Plant, and Equipment (Details) | Mar. 31, 2023
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Minimum [Member] | Machinery and Equipment [Member] |
Plant and buildings (Year) | 5 years
Minimum [Member] | Furniture and Fixtures [Member] |
Plant and buildings (Year) | 3 years
Minimum [Member] | Property, Plant and Equipment [Member] |
Plant and buildings (Year) | 20 years
Maximum [Member] | Machinery and Equipment [Member] |
Plant and buildings (Year) | 15 years
Maximum [Member] | Furniture and Fixtures [Member] |
Plant and buildings (Year) | 5 years
Maximum [Member] | Property, Plant and Equipment [Member] |
Plant and buildings (Year) | 30 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
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |