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Leases - Lease term, discount rate, and other information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Weighted-average remaining lease terms (in years):
Operating lease	6 years 1 month 24 days		6 years 8 months 12 days
Finance lease	6 months		1 year 3 months 18 days
Weighted-average discount rate:
Operating lease	7.80%		7.80%
Finance lease	7.80%		7.80%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows - operating leases	$ 592,386	$ 223,892
Operating cash flows - finance leases	0	5,459
Financing cash flows - finance leases	6,835	7,816
Leased assets obtained in exchange for new finance lease liabilities	3,008	8,636
Leased assets obtained in exchange for new operating lease liabilities	$ 0	$ 0

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