Related party transactions (Details Narrative) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2023 |
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| Chief Executive Officer [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Annual salary | $ 60,000 | ||||
| Financial Manager [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Monthly salary and bonus of the finance manager | Li’ou Xie, one of the shareholders of the Group, entered into a labor contract with the Group’s wholly-owned subsidiary, SGTCL, on January 1, 2024. Pursuant to the terms of the labor contract, Mr. Xie serves as the financial manager for a term of three years, concluding on December 31, 2026, at a monthly salary and bonus of RMB52,200 (approximately US$7,357). | ||||
| B E Y E B E [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Principal amount | $ 1,000,000 | ||||
| Interest rate | 7.50% | ||||
| Outstanding balance loan amount | $ 216,312 | $ 0 | $ 216,312 | $ 0 | |
| Interest payable | 6,551 | 15,384 | 6,551 | 15,384 | |
| S Z B E Y E B E [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Fixed License fee | $ 300,000 | ||||
| License Agreement Expiration Date | Dec. 31, 2040 | ||||
| Fixed fee license revenue | $ 70,500 | $ 70,500 | $ 141,000 | 141,000 | |
| Royalty revenue | $ 29,399 | $ 34,796 | |||
| X | ||||||||||
- Definition Amount of expense for administrative fee from service provided, including, but not limited to, salary, rent, or overhead cost. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Cash received from licensees for license fees during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A description of the related party transaction, including transactions to which no amounts or nominal amounts were ascribed and such other information deemed necessary to an understanding of the effects of the transactions on the financial statements. Examples of common related party transactions are, sales, purchases and transfers of realty and personal property, services received or furnished, loans and leases to and from top management and affiliates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold. No definition available.
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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