Accounts receivable outstanding.

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Number of companies.

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Number of distributors.

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Number of motions.

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Number of shareholders.

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No definition available.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of operating lease expense. Excludes sublease income.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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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.

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Commitments and Contingencies - Additional Information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)	Aug. 10, 2020 Motion	Jul. 01, 2020 EUR (€) Company	May 22, 2020 Claim	May 05, 2020 Distributor	Aug. 05, 2013
Operating Leased Assets [Line Items]
Number of shareholder claims \| Claim				8
Number of motions \| Motion		2
Number of distributors \| Distributor					2
Number of companies \| Company			2
Accounts receivable, outstanding \| €			€ 130,000
Operating lease, expense	$ 1.1
Operating lease, payments	$ 0.9
Minimum
Operating Leased Assets [Line Items]
Operating lease remaining lease term	1 year
Maximum
Operating Leased Assets [Line Items]
Operating lease remaining lease term	9 years
Merger of VTB Holdings, Inc. and Parametric Sound Corporation \| VTB Holdings, Inc
Operating Leased Assets [Line Items]
Ownership percentage						80.00%
Merger of VTB Holdings, Inc. and Parametric Sound Corporation \| Parametric Sound Corporation
Operating Leased Assets [Line Items]
Ownership percentage						20.00%