Leases - Components of lease cost (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases
Operating lease costs	$ 854,452	$ 847,540	$ 751,261
Short-term lease costs	349,498	361,176	217,640
Lease costs - discontinued operations	7,016	31,946	45,979
Total lease costs	$ 1,210,966	$ 1,240,662	$ 1,014,880