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Schedule of fair value on a recurring basis (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Platform Operator, Crypto Asset [Line Items]
Total liabilities		$ 16,603,000
Previously Reported [Member]
Platform Operator, Crypto Asset [Line Items]
Total liabilities		16,603,000
Fair Value, Inputs, Level 1 [Member] | Previously Reported [Member]
Platform Operator, Crypto Asset [Line Items]
Total liabilities
Fair Value, Inputs, Level 2 [Member] | Previously Reported [Member]
Platform Operator, Crypto Asset [Line Items]
Total liabilities
Fair Value, Inputs, Level 3 [Member] | Previously Reported [Member]
Platform Operator, Crypto Asset [Line Items]
Total liabilities		$ 16,603,000

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- Definition

Warrant liability.

+ References

No definition available.

+ Details

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

X

- References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.FF.Q2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476188/405-10-S99-1

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- Details

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- Details

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- Details

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