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Note 7 - Current Debt (Details Textual) - Interim Funding AgreementIFA [Member] - USD ($) $ in Millions	1 Months Ended
	Aug. 31, 2022	Dec. 31, 2022
Debt Instrument, Face Amount	$ 13.5
Short-Term Debt, Total		$ 10.8
Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.75%

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

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

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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