Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Stockholders' Equity - Stock-based Compensation Expense (Details)

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Note 11 - Stockholders' Equity - Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Stock-based compensation expense $ 751 $ 599 $ 1,525 $ 1,286
Cost of Sales [Member]        
Stock-based compensation expense 99 18 185 47
Research and Development Expense [Member]        
Stock-based compensation expense 16 22 36 40
General and Administrative Expense [Member]        
Stock-based compensation expense $ 636 $ 559 $ 1,304 $ 1,199