Earnings per share (Details) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Basic (loss) per share calculation
Net (loss) available to common shareholders	$ (25,327,198)	$ (27,479,247)
Weighted average common shares outstanding (basic) (in shares)	20,309,934	10,750,060	20,309,934	10,750,060
Basis (loss) per share from net loss (in dollars per share)	$ (1.25)	$ (2.56)	$ (1.25)	$ (2.56)
Diluted (loss) per share calculation
Net (loss) available to common shareholders	$ (25,327,198)	$ (27,479,247)
Warrants (in shares)	0	0
Weighted average common shares outstanding (diluted) (in shares)	20,309,934	10,750,060	20,309,934	10,750,060
Diluted (loss) per share from net loss (in dollars per share)	$ (1.25)	$ (2.56)	$ (1.25)	$ (2.56)