Note 10 - Income Taxes - Cash Paid for Income Taxes (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)
Australia	$ 6,264
Other	6,264
Other	95
State Subtotal	95
Total cash paid for income taxes, net of refunds	6,359
Australian Taxation Office [Member]
Australia	1,456
Other	1,456
State Administration of Taxation, China [Member]
Australia	415
Other	415
Federal Ministry of Finance, Germany [Member]
Australia	3,518
Other	3,518
National Tax Agency, Japan [Member]
Australia	500
Other	500
Tax and Customs Administration, Netherlands [Member]
Australia	450
Other	450
Other Countries [Member]
Australia	(75)
Other	(75)
Other States [Member]
Other	95
State Subtotal	$ 95