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Summary of Significant Accounting Policies (Details 2)	12 Months Ended
	Dec. 31, 2018
Computer equipment
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	3 years
Machinery
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	7 years
Other Machinery and Equipment
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	2 years
Furniture and fixtures
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	3 years
Building
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	39 years
Minimum | Computer software
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	3 years
Maximum | Computer software
Property, plant and equipment
Property, plant and equipment, estimated useful life (in years)	5 years

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

+ Details

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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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