Note 8 - Convertible Notes, Embedded Derivatives and Pre-Funded Warrants - Schedule of Convertible Debt (Details)	3 Months Ended
Mar. 31, 2026 USD ($) $ / shares
Principal amount \| $	$ 4,350,000
January Debenture [Member]
Issue date	Jan. 26, 2026
Principal amount \| $	$ 600,000
Maturity	Jan. 26, 2027
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Default Rate	18.00%
Fixed conversion price (in dollars per share)	$ 18.75
Variable conversion price	85.00%
January Debenture [Member] \| Minimum [Member]
Fixed conversion price (in dollars per share)	$ 1.42
February Debenture [Member]
Issue date	Feb. 19, 2026
Principal amount \| $	$ 750,000
Maturity	Feb. 19, 2027
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Default Rate	18.00%
Fixed conversion price (in dollars per share)	$ 18.75
Variable conversion price	85.00%
February Debenture [Member] \| Minimum [Member]
Fixed conversion price (in dollars per share)	$ 1.45
March Debenture [Member]
Issue date	Mar. 10, 2026
Principal amount \| $	$ 3,000,000
Maturity	Mar. 10, 2027
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Default Rate	18.00%
Fixed conversion price (in dollars per share)	$ 18.75
Variable conversion price	85.00%
March Debenture [Member] \| Minimum [Member]
Fixed conversion price (in dollars per share)	$ 1.39

Represents the percentage of VWAP that accounts for a varible conversion price on a debt instrument.

No definition available.

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- Definition

Represents the interest rate of a debt instrument in the event of default.

+ References

No definition available.

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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

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date the debt instrument was issued, in YYYY-MM-DD format.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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