Note 9 - Income Taxes - Income Taxes Paid by Jurisdiction (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
United States	$ 739	$ 735	$ 580
State	170	(234)	(903)
Income Taxes Paid, Net	5,651	7,653	4,929
Canada Revenue Agency [Member]
Foreign	4,004	6,158	4,797
Denmark, Danish Tax Agency [Member]
Foreign	518	679	(86)
Federal Ministry of Finance, Germany [Member]
Foreign	93	315	541
Foreign Tax Authority, Other [Member]
Foreign	$ 127	$ 0	$ 0

Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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