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Contract assets/(liabilities (Tables) | 6 Months Ended
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Mar. 31, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of contract assets |
Schedule of contract assets |  |  |  |  |  |  |  |
|  | March 31, 2025 |  | September 30, 2024
|  | (Unaudited) |  |
Contract assets: |  |  |  |  |  |  |  |
Retainage receivables |  | $ | 1,746,874 |  |  | $ | 1,727,841 |
Revenue recognized in excess of amounts billed |  |  | 4,019,808 |  |  |  | 2,560,872 |
Total contract assets |  |  | 5,766,682 |  |  |  | 4,288,713 |
Less: allowance for credit losses |  |  | (67,237 | ) |  |  | (17,414 | )
Total contract assets, net |  |  | 5,699,445 |  |  |  | 4,271,299 |
Contract assets, current |  |  | 4,686,136 |  |  |  | 3,270,627 |
Contract assets, non-current |  | $ | 1,013,309 |  |  | $ | 1,000,672 |
Contract liabilities: |  |  |  |  |  |  |  |
Payment received from customers in excess of revenue recognized |  | $ | (76,674 | ) |  | $ | (512,171 | )
Schedule of contract liabilities |
Schedule of contract liabilities |  |  |  |
|  | For the Six Months ended March 31
|  | 2025 |  | 2024
|  | (Unaudited) |  | (Unaudited)
Payment received from customers in excess of revenue recognized |  | $ | (486,554 | ) |  | $ | (20,378 | )

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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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