Operating Leases (Details) - USD ($) |
Jun. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Operating Leases | |||
| Operating lease right-of-use assets, net | $ 347,298 | $ 432,397 | $ 575,227 |
| Current portion of operating lease liabilities | 244,182 | 237,270 | 223,929 |
| Operating lease liabilities, net of current portion | $ 302,251 | $ 425,829 | $ 663,099 |