Stockholders' equity - Fair Value Assumptions (Details) |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Risk Free Interest Rate [Member] | ||
| Fair Value Assumptions [Abstract] | ||
| Measurement input | 0.0418 | 0.0469 |
| Share Price [Member] | ||
| Fair Value Assumptions [Abstract] | ||
| Measurement input | 0.0228 | 0.0343 |
| Expected Warrant Life [Member] | ||
| Fair Value Assumptions [Abstract] | ||
| Expected warrant life | 1 year 1 month 20 days | 2 years 10 days |
| Dividend Yield [Member] | ||
| Fair Value Assumptions [Abstract] | ||
| Measurement input | 0 | 0 |
| Expected Volatility [Member] | ||
| Fair Value Assumptions [Abstract] | ||
| Measurement input | 0.7426 | 0.8594 |
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- Definition Value of input used to measure derivative liability. 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/exampleRef
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- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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