v3.26.1
Summary of Significant Accounting Policies - Class A common stock (Details) - USD ($)
 3 Months Ended 12 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Summary of Significant Accounting Policies        
Class A common stock subject to possible redemption value, beginning of the period     $ 8,038,974  
Class A common stock subject to possible redemption value, end of the period $ 1,022,474     $ 8,038,974
Class A common stock subject to possible redemption        
Summary of Significant Accounting Policies        
Class A common stock subject to possible redemption value, beginning of the period 1,013,382 $ 1,027,085 8,038,974 24,976,375
Plus: Accretion of common stock to redemption value 9,092   23,603 492,605
Less: Redemption of common stock     (7,035,492) (17,430,006)
Plus: Reduction of common stock to redemption value   (13,703)    
Class A common stock subject to possible redemption value, end of the period $ 1,022,474 $ 1,013,382 $ 1,027,085 $ 8,038,974