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-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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Related Party Transactions - Additional Information (Detail) - USD ($)								3 Months Ended		9 Months Ended			12 Months Ended
	Nov. 05, 2025	Oct. 24, 2025	Oct. 08, 2025	Apr. 28, 2023	Apr. 01, 2022	Nov. 02, 2021	Mar. 25, 2021	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2022	Dec. 31, 2024	Mar. 04, 2025	Dec. 20, 2023	May 04, 2023	Jan. 01, 2023	Mar. 10, 2022
Related Party Transaction [Line Items]
Share price								$ 11.91		$ 11.91
Related party management Fees								$ 45,000	$ 45,000	$ 135,000	$ 135,000
Percentage of consulting fees																	100.00%
Accrued professional fees, current																	$ 15,600
Proceeds from loan payable – Sponsor										$ 559,000	1,135,000
Stock issued during the period value per share								$ 10		$ 10
Private Placement Warrants [Member]
Related Party Transaction [Line Items]
Class of warrants or rights issued during the period						12,000,000
Chief Financial Officer [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction										$ 150,000
Working Capital Loan [Member]
Related Party Transaction [Line Items]
Debt Instrument Convertible Into Warrants								$ 1,500,000		$ 1,500,000
Debt Instrument Conversion Price								$ 1		$ 1
Consulting Agreement [Member] \| Chief Financial Officer [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction					$ 10,400					$ 15,600		$ 5,200
IPO [Member]
Related Party Transaction [Line Items]
Stock issued during the period value per share						$ 10
Sponsor [Member] \| Private Placement Warrants [Member]
Related Party Transaction [Line Items]
Class of warrants or rights issued during the period						11,600,000							11,600,000
Warrants forfeited													4,000,000
Sponsor [Member] \| Office space, administrative and support services [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction										15,000
Sponsor [Member] \| Working Capital Loan [Member]
Related Party Transaction [Line Items]
Line of credit facility, maximum borrowing capacity														$ 475,000	$ 800,000	$ 750,000		$ 250,000
Proceeds from loan payable – Sponsor	$ 51,000	$ 40,000	$ 40,000					$ 559,000
Other Liabilities								2,894,000		2,894,000			$ 2,335,000
Interest payable current								177,685		177,685			91,688
Related Party [Member]
Related Party Transaction [Line Items]
Due from related party								495,000		495,000			360,000
Related Party [Member] \| Working Capital Loan [Member]
Related Party Transaction [Line Items]
Other liabilities								0		0			0
Related Party [Member] \| Consulting Agreement [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party								46,800	$ 46,800	140,400	$ 140,400
Accrued operating costs and expenses								$ 561,600		$ 561,600			$ 421,200
Founder shares [Member] \| IPO [Member]
Related Party Transaction [Line Items]
Common stock, threshold percentage on conversion of shares							20.00%
Founder shares [Member] \| Sponsor [Member]
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, New Issues										250,000
Stock Issued During Period, Value, New Issues										$ 180,000
Shares Issued, Shares, Share-based Payment Arrangement, Forfeited							750,000
Stock issued during the period value per share								$ 0.72		$ 0.72
Percent of probability								7.00%		7.00%
Founder shares [Member] \| Sponsor [Member] \| Valuation Technique, Option Pricing Model [Member]
Related Party Transaction [Line Items]
Stock issued during the period value per share								$ 10.3		$ 10.3
Founder shares [Member] \| Sponsor [Member] \| B. Riley [Member]
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, New Issues							400,000
Stock Issued During Period, Value, New Issues							$ 1,600,000
Share price							$ 4
Common Class A [Member]
Related Party Transaction [Line Items]
Conversion of stock, shares issued				5,500,000
Common Class A [Member] \| Sponsor [Member] \| Share Price More Than Or Equals To USD Twelve [Member]
Related Party Transaction [Line Items]
Share transfer, trigger price price per share							$ 12
Number of consecutive trading days for determining share price							20 days
Number Of Trading Days For Determining Share Price							30 days
Threshold Number Of Trading Days For Determining Share Price From Date Of Business Combination							150 days
Common Class B [Member]
Related Party Transaction [Line Items]
Common stock, threshold percentage on conversion of shares								20.00%		20.00%
Common Class B [Member] \| Founder shares [Member] \| Sponsor [Member]
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, New Issues							5,750,000
Stock Issued During Period, Value, New Issues							$ 25,000