Note 15 - Employee Defined Contribution Plan (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Defined Contribution Plan, Cost	$ 10	$ 20	$ 30	$ 50