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Deferred Revenue/Income (Tables) | 12 Months Ended
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Dec. 31, 2025
Deferred Revenue/Income |
Schedule of reconciliation in the current reporting period related to carried-forward deferred revenue/income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ ​ ​ | 2023 | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
Deferred revenue/income–beginning of year |  | 3,561,890 | ​ | 4,996,043 | ​ | 6,202,276
Additions |  | 3,138,343 | ​ | 3,263,495 | ​ | 2,335,784
Recognition |  | (1,705,134) | ​ | (2,055,119) | ​ | (2,522,435)
Effects on foreign exchange adjustment | ​ | 944 | ​ | (2,143) | ​ | 4,305
Deferred revenue/income–end of year |  | 4,996,043 | ​ | 6,202,276 | ​ | 6,019,930

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- References No definition available. + Details
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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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