Recurring fair value measurements (Details)	Dec. 31, 2025 USD ($)
Level 1 [Member] \| Convertible Notes Payable [Member]
Warrant liabilities	$ 0
Level 1 [Member] \| WarrantLiabilities [Member]
Warrant liabilities	207,000
Level 1 [Member] \| Crypto Asset [Member]
Assets, Fair Value Disclosure	7,304,760
Level 2 [Member] \| Convertible Notes Payable [Member]
Warrant liabilities	0
Level 2 [Member] \| WarrantLiabilities [Member]
Warrant liabilities	0
Level 2 [Member] \| Crypto Asset [Member]
Assets, Fair Value Disclosure	0
Level 3 [Member] \| Convertible Notes Payable [Member]
Warrant liabilities	8,201,746
Level 3 [Member] \| WarrantLiabilities [Member]
Warrant liabilities	0
Level 3 [Member] \| Crypto Asset [Member]
Assets, Fair Value Disclosure	$ 0