Leases - Lease assets and liabilities (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Noncurrent
Operating lease right-of-use assets	$ 3,050,106	$ 3,190,985
Total lease right-of-use assets	3,078,090	3,232,786
Current
Current maturities of operating leases	636,075	634,947
Noncurrent
Noncurrent operating leases	2,473,687	2,630,812
Total lease liabilities	$ 3,109,762	$ 3,265,759
Operating leases, weighted average remaining lease term	4 years 9 months 18 days	5 years
Operating leases, weighted average discount rate	6.56%	6.56%
Prepaid expenses and other current assets
Current
Operating lease assets, current	$ 27,984	$ 41,801