Leases - Components of lease cost (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Leases
Operating lease costs	$ 847,540	$ 751,261	$ 692,404
Short-term lease costs	361,176	217,640	100,975
Lease costs - discontinued operations	31,946	45,979	40,021
Total lease costs	$ 1,240,662	$ 1,014,880	$ 833,400