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Note 4 - Equity - Black-Scholes Option Pricing Model (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Jan. 26, 2024
Share Price (in dollars per share) |  | $ 100
Black-Scholes Model [Member] | Warrant [Member] | Minimum [Member] |  |
Share Price (in dollars per share) | $ 2 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount Rate | 4.04% |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year) | 3 years |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate | 104.00% |
Black-Scholes Model [Member] | Warrant [Member] | Maximum [Member] |  |
Share Price (in dollars per share) | $ 5 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount Rate | 4.54% |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year) | 5 years |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate | 119.00% |

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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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