Note 13 - Share-based Compensation - Future Share-based Compensation Expense (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 23, 2023
2024	$ 3,328
2025	1,806
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost, Year Three	206
Total	5,340
Employee and Nonemployee Stock Option [Member]
2024	280
2025	19
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost, Year Three	0
Total	$ 299
Restricted Stock Units (RSUs) [Member]
2024		$ 3,048
2025		1,787
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost, Year Three		206
Total		$ 5,041