Significant accounting policies (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Accretion of carrying value to redemption value	$ (7,474)	$ (589,876)	$ (17,849)	$ (1,174,628)
Redeemable Ordinary Shares [Member]
Allocation of net loss including carrying value to redemption value	(2,782)	(229,083)	(7,801)	(457,857)
Accretion of carrying value to redemption value	7,474	589,876	17,849	1,174,628
Allocation of net income/(loss)	$ 4,692	$ 360,793	$ 10,048	$ 716,771
Weighted-average shares outstanding	67,466	1,857,989	80,403	1,857,989
Basic and diluted net income/ (loss) per share	$ 0.07	$ 0.19	$ 0.12	$ 0.39
Non Redeemable Ordinary Share [Member]
Allocation of net loss including carrying value to redemption value	$ (95,278)	$ (284,906)	$ (224,198)	$ (569,430)
Accretion of carrying value to redemption value	0		0	0
Allocation of net income/(loss)	$ (95,278)	$ (284,906)	$ (224,198)	$ (569,430)
Weighted-average shares outstanding	2,310,750	2,310,750	2,310,750	2,310,750
Basic and diluted net income/ (loss) per share	$ (0.04)	$ (0.12)	$ (0.10)	$ (0.25)