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v3.26.1

Leases (Tables) | 12 Months Ended
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Dec. 31, 2025
Leases |
Schedule of lessee lease information | ​
​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ | ​ ​ ​ | 2024 | ​ ​ ​ ​ | 2025
Operating leases: |  | ​ | ​ | ​
Right-of-use assets - operating lease |  | 12,797,158 | ​ | 11,711,306
Current portion of operating lease liabilities |  | 1,945,987 | ​ | 2,163,768
Non-current operating lease liabilities |  | 11,260,735 | ​ | 10,092,039
Total operating lease liabilities |  | 13,206,722 | ​ | 12,255,807
Finance leases: |  | ​ | ​ | ​
Right-of-use assets - finance lease |  | 63,635 | ​ | 5,696,866
Current portion of finance lease liabilities |  | 13,498 | ​ | 263,203
Non-current finance lease liabilities |  | 35,145 | ​ | 4,769,972
Total finance lease liabilities |  | 48,643 | ​ | 5,033,175
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, | ​ | As of December 31, | ​
​ | ​ ​ ​ | 2024 | ​ ​ ​ ​ | 2025 | ​
Weighted-average remaining lease term: |  | ​ | ​ | ​ | ​
Operating leases |  | 10.9 | years | 10.6 | years
Finance leases |  | 5.5 | years | 18.9 | years
​ | ​ | ​ | ​ | ​ | ​
Weighted-average discount rate: |  | ​ | ​ | ​ | ​
Operating leases |  | 4.45 | % | 4.39 | %
Finance leases |  | 4.14 | % | 4.20 | %
​
​ | ​ | ​ | ​ | ​
​ | ​ | For the Year Ended December 31,
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
Operating cash outflows from operating leases |  | 2,385,552 | ​ | 2,402,489
Operating cash outflows from finance leases (interest payments) |  | 2,208 | ​ | 90,864
Financing cash outflows from finance leases |  | 37,854 | ​ | 101,113
Right-of-use assets obtained in exchange for lease liabilities |  | 3,698,231 | ​ | 6,512,719
Schedule of lease expenses | ​
​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
Lease cost: | ​ | ​ | ​ | ​
Amortization of right-of-use assets | ​ | 1,825,182 | ​ | 2,228,651
Interest of operating lease liabilities |  | 573,031 | ​ | 543,698
Expenses for short-term leases within 12 months and other non-lease component |  | 227,990 | ​ | 92,361
Total lease cost |  | 2,626,203 | ​ | 2,864,710
Schedule of maturities of our operating and finance lease liabilities (excluding short-term leases) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, | ​ | As of December 31,
​ | ​ | 2024 | ​ | 2025
​ | ​ | Operating | ​ | Finance | ​ | Operating | ​ | Finance
​ | ​ ​ ​ | Leases | ​ ​ ​ | Leases | ​ ​ ​ | Leases | ​ ​ ​ | Leases
2025 |  | 2,531,918 | ​ | 16,993 |  | — | ​ | —
2026 | ​ | 2,306,078 | ​ | 15,497 | ​ | 2,420,506 | ​ | 409,668
2027 |  | 1,899,976 | ​ | 13,352 |  | 2,079,015 | ​ | 400,900
2028 |  | 1,504,174 | ​ | 8,788 |  | 1,725,211 | ​ | 388,453
2029 | ​ | 1,228,528 | ​ | 4,237 | ​ | 1,474,031 | ​ | 379,880
2030 | ​ | — | ​ | — | ​ | 1,184,585 | ​ | 374,286
Thereafter |  | 7,388,703 | ​ | 8,485 |  | 7,480,193 | ​ | 5,249,953
Total minimum lease payments |  | 16,859,377 | ​ | 67,352 |  | 16,363,541 | ​ | 7,203,140
Less: Interest |  | (3,652,655) | ​ | (18,709) |  | (4,107,734) | ​ | (2,169,965)
Present value of lease obligations |  | 13,206,722 | ​ | 48,643 |  | 12,255,807 | ​ | 5,033,175
Less: Current portion |  | (1,945,987) | ​ | (13,498) |  | (2,163,768) | ​ | (263,203)
Long-term portion of lease obligations |  | 11,260,735 | ​ | 35,145 |  | 10,092,039 | ​ | 4,769,972

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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