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v3.20.4

Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2020
Buildings and leasehold improvements [Member] | Minimum [Member] |
Estimated Life | 5 years
Buildings and leasehold improvements [Member] | Maximum [Member] |
Estimated Life | 50 years
Machinery and equipment [Member] | Minimum [Member] |
Estimated Life | 5 years
Machinery and equipment [Member] | Maximum [Member] |
Estimated Life | 10 years
Office equipment [Member] | Minimum [Member] |
Estimated Life | 3 years
Office equipment [Member] | Maximum [Member] |
Estimated Life | 6 years

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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Data Type: | xbrli:stringItemType
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
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- Details
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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
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |