Significant accounting policies (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Accretion of carrying value to redemption value	$ (596,466)	$ (975,738)	$ (1,771,094)	$ (3,021,081)
Redeemable Ordinary Shares
Allocation of net loss including carrying value to redemption value	(199,421)	(478,922)	(657,279)	(973,046)
Accretion of carrying value to redemption value	596,466	975,738	1,771,094	3,021,081
Allocation of net income/(loss)	$ 397,045	$ 496,816	$ 1,113,815	$ 2,048,035
Weighted-average shares outstanding	1,857,989	5,521,640	1,857,989	5,780,602
Basic and diluted net income/ (loss) per share	$ 0.21	$ 0.09	$ 0.60	$ 0.35
Non Redeemable OrdinaryShare [Member]
Allocation of net loss including carrying value to redemption value	$ (248,017)	$ (200,424)	$ (817,446)	$ (388,968)
Accretion of carrying value to redemption value	0	0	0	0
Allocation of net income/(loss)	$ (248,017)	$ (200,424)	$ (817,446)	$ (388,968)
Weighted-average shares outstanding	2,310,750	2,310,750	2,310,750	2,310,750
Basic and diluted net income/ (loss) per share	$ (0.11)	$ (0.09)	$ (0.35)	$ (0.17)