Fair Value Measures - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities	$ 697	$ 996
Warrant Liabilities [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities	697	996
Level 1 [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities
Level 1 [Member] \| Warrant Liabilities [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities
Level 2 [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities
Level 2 [Member] \| Warrant Liabilities [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities
Level 3 [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities	697	996
Level 3 [Member] \| Warrant Liabilities [Member]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items]
Total liabilities	$ 697	$ 996

RYTHM, Inc. 10-K