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Note 7 - Stockholders' Equity and Stock-based Compensation Expense (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

		Stock Options				Performance Awards
Outstanding as of December 31, 2022			2,529,448				7,142
Options granted			132,000				—
Options exercised			(495,299	)			—
Options forfeited/canceled			(7,142	)			—
Outstanding as of September 30, 2023			2,159,007				7,142

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

		Three months ended								Nine months ended
		September 30,								September 30,
		2023				2022				2023				2022
Research and development		$	405			$	399			$	1,186			$	1,234
General and administrative			544				70				1,271				216
Total stock-based compensation expense		$	949			$	469			$	2,457			$	1,450

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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