Condensed Balance Sheet (Unaudited) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Current assets
Cash	$ 536,022
Deferred offering costs		508,662
Prepaid expense	59,000
Total Current Assets	595,022	508,662
Cash and marketable securities held in the trust	50,421,265
Total Assets	51,016,287	508,662
Current liabilities
Accrued expenses	78,508	229,025
Total current liabilities	78,508	493,967
Deferred Underwriting Commission	2,000,000
Total liabilities	2,078,508	493,967
Commitment and contingencies (Note 6)
Shareholders’ Equity
Additional paid-in capital	3,571,392	24,875
Retained earnings/(accumulated deficit)	225,551	(10,305)
Total shareholders’ equity	3,797,090	14,695
Total liabilities and shareholders’ equity	51,016,287	508,662
Class A Ordinary Shares
Current liabilities
Class A ordinary shares, $0.0001 par value, 450,000,000 shares authorized,5,000,000 shares subject to possible redemption as of March 31, 2025	45,140,689
Shareholders’ Equity
Common stock	22
Class B Ordinary Shares
Shareholders’ Equity
Common stock	125	125
Related Party
Current liabilities
Promissory note - related party		$ 264,942

Represents the value of deferred underwriting commission.

No definition available.

Name:	ribb_DeferredUnderwritingCommissionNonCurrent
Namespace Prefix:	ribb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).