Note 2 - Convertible Notes Payable Warrants (Details Textual) $ / shares in Units, $ in Millions	Sep. 09, 2023 USD ($) $ / shares shares
Bridge Financing Warrants in Connection with Convertible Notes [Member[
Warrants and Rights Outstanding, Term (Year)	5 years
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) \| shares	0.0006
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 420
The Notes [Member]
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 840
Debt Instrument, Convertible, Maximum Beneficial Ownership, Percentage	4.99%
The Notes [Member] \| Maximum [Member]
Debt Instrument, Face Amount \| $	$ 2

Percentage of maximum beneficial ownership upon conversion of the debt instrument.

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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-Topic 505
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-Name Accounting Standards Codification
-Section 50
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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

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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.

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