Significant accounting policies (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Accretion of carrying value to redemption value	$ (589,876)	$ (964,220)	$ (1,174,628)	$ (2,045,343)
Redeemable Ordinary Shares
Allocation of net loss including carrying value to redemption value	(229,083)	(236,173)	(457,857)	(490,813)
Accretion of carrying value to redemption value	589,876	964,220	1,174,628	2,045,343
Allocation of net income/(loss)	$ 360,793	$ 728,047	$ 716,771	$ 1,554,530
Weighted-average shares outstanding	1,857,989	5,521,640	1,857,989	5,911,506
Basic and diluted net income/ (loss) per share	$ 0.19	$ 0.13	$ 0.39	$ 0.26
Non Redeemable OrdinaryShare [Member]
Allocation of net loss including carrying value to redemption value	$ (284,906)	$ (98,836)	$ (569,430)	$ (191,854)
Accretion of carrying value to redemption value	0	0	0	0
Allocation of net income/(loss)	$ (284,906)	$ (98,836)	$ (569,430)	$ (191,854)
Weighted-average shares outstanding	2,310,750	2,310,750	2,310,750	2,310,750
Basic and diluted net income/ (loss) per share	$ (0.12)	$ (0.04)	$ (0.25)	$ (0.08)