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v3.19.3

3. Property, Plant and Equipment (Details 1) | 9 Months Ended
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Sep. 30, 2019
Plant and Buildings | Minimum |
Depreciation (years) | 20 years
Plant and Buildings | Maximum |
Depreciation (years) | 30 years
Machinery and Equipment | Minimum |
Depreciation (years) | 5 years
Machinery and Equipment | Maximum |
Depreciation (years) | 7 years
Furniture and Fixtures | Minimum |
Depreciation (years) | 3 years
Furniture and Fixtures | Maximum |
Depreciation (years) | 5 years

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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
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Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
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Data Type: | na
Balance Type: |
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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
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- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_MachineryAndEquipmentMember
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: |