Lease (Details 1) - USD ($) |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Lease | ||||
| Cash paid for operating cash flows from operating leases | $ 163,194 | $ 71,954 | $ 98,917 | $ 79,528 |
| Right-of-use asset obtained in exchange for new operating lease liabilities | $ 865,218 | $ 0 | $ 0 | $ 161,665 |
| Weighted-average remaining lease term - operating leases (year) | 4 years 6 months | 9 months 29 days | 6 months 29 days | 1 year 6 months 29 days |
| Weighted-average discount rate-operating leases | 7.00% | 6.50% | 6.50% | 6.50% |