Note 11 - Stock Compensation Plans - Summary of Restricted Stock Units (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Share-Based Payment Arrangement, Expense	$ 1,308,000	$ 150,000
Restricted Stock Units (RSUs) [Member]
Balance (in shares)	0
Share-Based Payment Arrangement, Expense	$ 1,308,000	$ 150,000
Balance (in dollars per share)	$ 0
Granted (in shares)	486,846
Granted (in dollars per share)	$ 12.58
Vested (in shares)	0
Vested (in dollars per share)	$ 0
Canceled and forfeited (in shares)	(6,848)
Canceled and forfeited (in dollars per share)	$ 12.34
Balance (in shares)	479,998	0
Balance (in dollars per share)	$ 12.59	$ 0
Restricted Stock Units (RSUs) [Member] \| General and Administrative Expense [Member]
Share-Based Payment Arrangement, Expense	$ 385,000	$ 150,000
Restricted Stock Units (RSUs) [Member] \| Research and Development Expense [Member]
Share-Based Payment Arrangement, Expense	$ 923,000

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Topic 718
-SubTopic 10
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