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Balance Sheet Components - Computation of Depreciation and Amortization Using Straight Line Method Over Estimated Useful Lives of Assets (Details) | 9 Months Ended
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Sep. 30, 2020
Rental equipment | Minimum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 1 year 6 months
Rental equipment | Maximum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 5 years
Manufacturing equipment and tooling | Minimum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 3 years
Manufacturing equipment and tooling | Maximum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 5 years
Computer equipment and software | Minimum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 2 years
Computer equipment and software | Maximum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 3 years
Furniture and equipment | Minimum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 3 years
Furniture and equipment | Maximum |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | 5 years
Leasehold improvements |
Property Plant And Equipment [Line Items] |
Property Plant And Equipment Useful Life | Lesser of estimated useful life or remaining lease term

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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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- 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. + 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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- Details
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- Details
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- Details
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