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Stock option liabilities, Impact of Listing (Details) | Oct. 31, 2025 shares | Jul. 31, 2025 shares | Nov. 06, 2024 shares | Oct. 31, 2024 shares | Aug. 02, 2024 USD ($) | Jul. 31, 2024 shares
--- | --- | --- | --- | --- | --- | ---
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Stock options outstanding (in shares) | 108,644 | 108,644 | 58,644 | 62,772 |  | 62,772
Dividend Yield [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Measurement input | 0 |  |  |  |  | 0
Expected Volatility [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Measurement input | 1.50 |  |  |  |  | 1.05
Risk-free Interest Rate [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Measurement input | 0.027 |  |  |  |  | 0.0349
Stock Option Liabilities [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Stock options outstanding (in shares) |  |  | 62,772 |  |  |
Measurement input | 4.66 |  | 5.96 |  |  |
Stock Option Liabilities [Member] | Level 2 [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Fair value of options liability | $ |  |  |  |  | $ 1,381,715 |
Stock Option Liabilities [Member] | Dividend Yield [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Measurement input | 0 |  | 0 |  |  |
Stock Option Liabilities [Member] | Expected Volatility [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Measurement input | 1.50 |  | 0.97 |  |  |
Stock Option Liabilities [Member] | Risk-free Interest Rate [Member] |  |  |  |  |  |
Impact of listing on NASDAQ [Abstract] |  |  |  |  |  |
Measurement input | 0.0281 |  | 0.0312 |  |  |

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- Definition Value of input used to measure derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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