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Note 12 - Income Taxes (Details Textual) - USD ($)		12 Months Ended
	Sep. 13, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2023
Unrecognized Tax Benefits		$ 1,100,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense		0	$ 0	$ 0
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards		18,466
Tax Credit Carryforward, Amount Purchased	$ 23,200,000
Tax Credit Carryforward, Amount		12,900,000
Payments to Acquire Tax Credit	$ 12,000,000
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]
Operating Loss Carryforwards		$ 5,570
State and Local Jurisdiction [Member] | New York State Division of Taxation and Finance [Member]
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority					$ 70,000

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Amount of cash outflow to acquire tax credit.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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