Income taxes (Details 3) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Net operating loss carry forward	$ 31,077,947	$ 34,945,459
Prior year adjustment to opening balances	1,729,182
Foreign exchange differential		(105,379)
Net operating loss utilized	(3,291,537)	(3,514,804)
Net taxable loss	558,507	4,624,718
Disposal of subsidiary	(673,992)	(4,872,047)
	24,400,107	31,077,947
Valuation allowance	(29,400,107)	(31,077,947)