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Note 3 - Financial Instruments - Fair Value Assumptions (Details) | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Measurement Input, Price Volatility [Member] |  |
Warrants, measurement input | 1.67 | 1.43
Measurement Input, Risk Free Interest Rate [Member] |  |
Warrants, measurement input | 0.0438 | 0.0385
Measurement Input, Expected Dividend Rate [Member] |  |
Warrants, measurement input | 0 | 0
Measurement Input, Expected Term [Member] |  |
Warrants, measurement input | 4 | 4.5
Measurement Input, Exercise Price [Member] |  |
Warrants, measurement input | 1.45 | 1.45

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- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 2: http://www.xbrl.org/2009/role/commonPracticeRef -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 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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