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Note 12 - Fair Value Measurements - Valuation Assumptions (Details)	Sep. 30, 2025
Measurement Input, Share Price [Member] | June 2023 Warrants Tranche A [Member]
Warrants and Rights Outstanding, Measurement Input	1.88
Measurement Input, Share Price [Member] | Other Warrants [Member]
Warrants and Rights Outstanding, Measurement Input	1.88	[1]
Measurement Input, Expected Term [Member] | June 2023 Warrants Tranche A [Member]
Warrants and Rights Outstanding, Measurement Input	2.7
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Minimum [Member]
Warrants and Rights Outstanding, Measurement Input	1.3	[1]
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	1.9	[1]
Measurement Input, Price Volatility [Member] | June 2023 Warrants Tranche A [Member]
Warrants and Rights Outstanding, Measurement Input	0.771
Measurement Input, Price Volatility [Member] | Other Warrants [Member] | Minimum [Member]
Warrants and Rights Outstanding, Measurement Input	0.717	[1]
Measurement Input, Price Volatility [Member] | Other Warrants [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	0.791	[1]
Measurement Input, Risk Free Interest Rate [Member] | June 2023 Warrants Tranche A [Member]
Warrants and Rights Outstanding, Measurement Input	0.036
Measurement Input, Risk Free Interest Rate [Member] | Other Warrants [Member]
Warrants and Rights Outstanding, Measurement Input	0.036	[1]
Measurement Input, Expected Dividend Rate [Member] | June 2023 Warrants Tranche A [Member]
Warrants and Rights Outstanding, Measurement Input	0
Measurement Input, Expected Dividend Rate [Member] | Other Warrants [Member]
Warrants and Rights Outstanding, Measurement Input	0	[1]
[1] Includes all liability classified warrants and prefunded warrants except the June 2023 Tranche A Warrants (see Note 16 - Warrants for further information).

X

- 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

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