Note 13 - Other Income (Expense), Net (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Gain (Loss), Foreign Currency Transaction, before Tax	$ 45,000	$ 42,000	$ 86,000	$ 100,000
Awards for Technologies, Innovation, and Job Creation [Member]
Government Assistance, Nonoperating Income, Increase (Decrease)	$ 200,000	$ 400,000	$ 500,000	$ 1,400,000