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v3.22.2.2

Revolving Credit Facility and Long-Term Debt - Schedule Of Debt (Parenthetical) (Details) | 9 Months Ended
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Sep. 30, 2022
Revolving Credit Facility [Member] |
Debt Instrument [Line Items] |
Debt instrument maturity term | 2024-03

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- Definition Debt instrument maturity term. + References No definition available. + Details
Name: | hear_DebtInstrumentMaturityTerm
Namespace Prefix: | hear_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

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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
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |