Annual report pursuant to Section 13 and 15(d)

Note 11 - Stock and Employee Benefit Plans - Schedule of Employee Service Share-based Compensation Costs (Details)

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Note 11 - Stock and Employee Benefit Plans - Schedule of Employee Service Share-based Compensation Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-based payment arrangement expense $ 3,349 $ 4,402
Research and Development Expense [Member]    
Share-based payment arrangement expense 1,190 1,905
General and Administrative Expense [Member]    
Share-based payment arrangement expense $ 2,159 $ 2,497