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Product Warranty Accrual, Period

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount of impairment loss from capitalized computer software costs.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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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.

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Nature of Business and Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Nature Of Business And Significant Accounting Policies [Line Items]
Number of reportable segments \| segment	1
Contract liabilities	$ 3,800,000	$ 3,000,000
Accounts receivable, net	26,781,000	29,940,000
Allowance on accounts receivable	408,000	1,384,000
Impairment of indefinite-lived intangible assets	0	0	$ 0
Impairment of capitalized software	1,197,000	1,410,000	0
Impairment of long-lived assets	$ 0	$ 0	$ 0
Minimum
Nature Of Business And Significant Accounting Policies [Line Items]
General warranty period	12 months
Maximum
Nature Of Business And Significant Accounting Policies [Line Items]
General warranty period	36 months
Buildings
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	50 years
Leasehold improvements \| Maximum
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	5 years
Product tooling
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	13 months
Computer equipment, purchased software, vehicles, production equipment, and furniture and fixtures \| Minimum
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	2 years
Computer equipment, purchased software, vehicles, production equipment, and furniture and fixtures \| Maximum
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	7 years
Rental assets \| Minimum
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	3 years
Rental assets \| Maximum
Nature Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives	4 years