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v3.25.3

Subsequent events (Details) - USD ($) |  |  |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 03, 2025 | Mar. 17, 2025 | Nov. 06, 2024 | Oct. 29, 2024 | Dec. 31, 2025 | Aug. 31, 2025 | Oct. 31, 2025
Issuance of shares [Abstract] |  |  |  |  |  |  |
Number of shares issued (in shares) |  |  |  | 9,176 |  |  |
Crypto Strategy Convertible Debt [Member] |  |  |  |  |  |  |
Side Letter with Helena I [Abstract] |  |  |  |  |  |  |
Number of trading days |  |  |  |  |  |  | 5 days
Helena Global Investment Opportunities I Ltd [Member] |  |  |  |  |  |  |
Agreement and Plan of Merger with Southern Energy Renewables Inc [Abstract] |  |  |  |  |  |  |
Share price (in dollars per share) |  |  | $ 7.5 |  |  |  |
Side Letter with Helena I [Abstract] |  |  |  |  |  |  |
Number of trading days |  |  | 5 days |  |  |  | 10 days
Issuance of shares [Abstract] |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 16,666 |  |  |  | 300,000 |
Gross proceeds |  |  |  |  |  | $ 756,600 |
Subsequent Event [Member] |  |  |  |  |  |  |
Side Letter with Helena I [Abstract] |  |  |  |  |  |  |
Number of trading days | 5 days |  |  |  |  |  |
Subsequent Event [Member] | Crypto Strategy Convertible Debt [Member] |  |  |  |  |  |  |
Issuance of shares [Abstract] |  |  |  |  |  |  |
Gross proceeds |  |  |  |  | $ 205,307 |  |
Subsequent Event [Member] | Helena Global Investment Opportunities I Ltd [Member] |  |  |  |  |  |  |
Issuance of shares [Abstract] |  |  |  |  |  |  |
Number of shares issued (in shares) |  |  |  |  | 411,000 |  |
Gross proceeds |  |  |  |  | $ 821,229 |  |
Subsequent Event [Member] | Minimum [Member] | Helena Global Investment Opportunities I Ltd [Member] |  |  |  |  |  |  |
Side Letter with Helena I [Abstract] |  |  |  |  |  |  |
Net proceeds | $ 7,500,000 |  |  |  |  |  |
Subsequent Event [Member] | Southern Energy Renewables Inc. [Member] | Merger Agreement [Member] |  |  |  |  |  |  |
Agreement and Plan of Merger with Southern Energy Renewables Inc [Abstract] |  |  |  |  |  |  |
Percentage of common shares on fully diluted basis | 70.00% |  |  |  |  |  |
Proceeds from issuance of private placement investment | $ 2,000,000 |  |  |  |  |  |
Private placement investment (in shares) | 128,370 |  |  |  |  |  |
Share price (in dollars per share) | $ 15.58 |  |  |  |  |  |

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