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Note 6 - Stockholders' Equity and Stock-based Compensation Expense (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Share-Based Payment Arrangement, Activity [Table Text Block]

		Stock Options				Performance Awards
Outstanding as of December 31, 2024			4,463,028				7,142
Options granted			1,467,000				—
Options exercised			(225,209	)			—
Options forfeited/canceled			(1,359,449	)			—
Outstanding as of June 30, 2025			4,345,370				7,142

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three months ended								Six months ended
		June 30,								June 30,
		2025				2024				2025				2024
Research and development		$	1,162			$	972			$	3,534			$	1,945
General and administrative			3,420				1,632				6,272				2,994
Total stock-based compensation expense		$	4,582			$	2,604			$	9,806			$	4,939

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ References

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