Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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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.

+ References

No definition available.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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.

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Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 18,472		$ 17,296
Less: accumulated depreciation	(4,377)		(4,007)
Total property and equipment, net	14,095		13,289
Depreciation expense	400	$ 400
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,621		4,647
Leasehold improvements \| Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	7 years
Leasehold improvements \| Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	20 years
Machinery & equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,597		8,193
Machinery & equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	1 year
Machinery & equipment \| Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	12 years
Furniture
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,068		2,712
Furniture \| Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	1 year
Furniture \| Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	12 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,186		$ 1,744