v3.26.3
Schedule of lease cost, weighted average remaining lease terms and discount rates of operating and finance leases (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2026
Dec. 31, 2024
Dec. 31, 2023
Leases        
Operating lease expenses - SG&A portion $ 13,225 $ 27,835 $ 21,874 $ 23,089
Depreciation expense of leased assets 26,351 26,896 50,426 17,625
Interest expense of finance lease 1,564 3,172 3,420 2,306
Operating cash flows - operating leases 12,683 27,727 22,959 23,039
Operating cash flows - finance leases 1,564 3,172 3,420 2,306
Financing cash flows - finance leases 5,561 13,355 10,216 41,328
Operating lease right-of-use assets obtained in exchange for operating lease liabilities 31,350 15,359
Finance lease ROU assets obtained in exchange for finance lease liabilities $ 16,138 $ 100,771
Weighted average remaining lease term (in years) - Operating leases 1 year 6 months 3 days 6 months 3 days 1 year 3 days 1 year
Weighted average remaining lease term (in years) - Finance leases 4 years 10 months 28 days 4 years 5 months 8 days 5 years 4 months 28 days 3 years 3 months
Average discount rate - Operating leases 8.72% 8.72% 7.74% 5.77%
Average discount rate - Finance leases 4.67% 4.59% 4.67% 4.63%