Annual report [Section 13 and 15(d), not S-K Item 405]

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

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Note 7 - Stockholders' Equity- Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Stock-based compensation $ 1,236 $ 906
Research and Development Expense [Member]    
Stock-based compensation 269 199
General and Administrative Expense [Member]    
Stock-based compensation $ 967 $ 707