Various useful life of property and equipment.

No definition available.

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- Definition

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

Amount before accumulated depreciation of leased 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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- Definition

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.

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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.

+ References

No definition available.

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- Definition

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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Select Condensed Consolidated Balance Sheet Details - Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 66,737		$ 66,737		$ 67,045
Less accumulated depreciation and amortization	(54,677)		(54,677)		(54,375)
Property and equipment, net	12,060		12,060		12,670
Depreciation	1,500	$ 1,600	$ 3,000	$ 3,200
Surgical instruments
Property, Plant and Equipment [Line Items]
Useful lives			4 years
Property and equipment, gross	52,288		$ 52,288		53,198
Machinery and equipment
Property, Plant and Equipment [Line Items]
Useful lives			7 years
Property and equipment, gross	5,920		$ 5,920		5,503
Capital leased assets, gross	2,100		$ 2,100		2,100
Computer equipment
Property, Plant and Equipment [Line Items]
Useful lives			3 years
Property and equipment, gross	3,761		$ 3,761		3,500
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Useful lives			5 years
Property and equipment, gross	2,856		$ 2,856		2,794
Leasehold improvements
Property, Plant and Equipment [Line Items]
Various useful lives of leasehold improvements			various
Property and equipment, gross	1,759		$ 1,759		1,714
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 153		$ 153		$ 336