Disaggregation of Revenue - Contract balances (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Assets | ||
| Trade receivables, net | $ 58,100 | $ 36,000 |
| Liabilities | ||
| Contracted liabilities - long term | 391,500 | 400,500 |
| Contract liabilities | ||
| Opening | 400,500 | 418,500 |
| Transfer to revenue | (9,000) | (18,000) |
| Ending | $ 391,500 | $ 400,500 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, before valuation allowance, of accounts receivable held for sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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