Revenue from contracts with customers (Details 2) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Balance at beginning	$ 25,926	$ 142,061
Contracts with customers		74,109
Recognized in the current period	(21,096)	(144,196)
Currency translation adjustment		(46,048)
Refunded to customers in the current period	(4,830)
Balance at ending		$ 25,926