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Equity Offerings (Details 2) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2022
Warrants outstanding | 11,042,137 |
Risk-free interest rate | 4.28% |
Volatility | 178.14% |
Expected dividend yield | 0.00% |
Expected life (in years) | 6 years 6 months |
2022 Offering [Member] | Warrant One [Member] |  |
Warrants outstanding |  | 33,000
Exercise Price |  | $ 31.25
Expiration Date |  | 5 years
Warrants outstanding, value |  | $ 0.4
Risk-free interest rate |  | 1.81%
Volatility |  | 93.25%
Expected dividend yield |  | 0.00%
Expected life (in years) |  | 5 months
2022 Offering [Member] | Warrant Two [Member] |  |
Warrants outstanding |  | 31,000
Exercise Price |  | $ 17.50
Expiration Date |  | 5 years
Warrants outstanding, value |  | $ 0.2
Risk-free interest rate |  | 2.87%
Volatility |  | 96.70%
Expected dividend yield |  | 0.00%
Expected life (in years) |  | 5 months

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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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 The risk-free interest rate assumption that is used in valuing an option on its own shares. + 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)(iv) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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