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Composition of Certain Financial Statement Items - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Consolidated Balance Sheet Components [Abstract]
Inventory impairment related charge	$ 3,200	$ 5,200
Depreciation and amortization		$ 4,578	$ 4,052	$ 4,359

X

- Definition

Condensed Consolidated Balance Sheet Components [Abstract]

+ References

No definition available.

+ Details

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Namespace Prefix:	hear_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

inventory impairment charge.

+ References

No definition available.

+ Details

Name:	hear_InventoryImpairmentCharge
Namespace Prefix:	hear_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration