Revenues (Schedule of Components of Returns Reserve) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Revenues [Abstract]
Other current accrued liabilities	$ 4,089	$ 4,993
Other current assets	1,347	1,687
Sales returns reserve, net	$ 2,742	$ 3,306

Contract With Customer, Refund Liability, Current, Net Of Right to Recover Product

No definition available.

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Namespace Prefix:	cik0001552800_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-27

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of right to recover product from customer on settling refund liability, classified as current.

+ References

+ Details

Name:	us-gaap_ContractWithCustomerRightToRecoverProductCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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