Segment information and revenue analysis (Details 1) - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Total revenues	$ 8,706,740	$ 1,437,848	$ 280,000
Continuing Operations [Member]
Total revenues	8,706,740	1,437,848	280,000
Business Integration Services [Member] \| Continuing Operations [Member]
Total revenues		20,000	280,000
Digital Advertising And Marketing Campaign Services [Member] \| Continuing Operations [Member]
Total revenues	$ 8,706,740	$ 1,417,848

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details