Note 11 - Income Taxes - Income Taxes Paid By Jurisdiction (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)
Income taxes paid	$ 2,483
Domestic Tax Jurisdiction [Member]
Income taxes paid	0
State and Local Jurisdiction [Member]
Income taxes paid	111
Foreign Tax Jurisdiction [Member]
Income taxes paid	2,372
Foreign Tax Jurisdiction [Member] | State Administration of Taxation, China [Member]
Income taxes paid	1,311
Foreign Tax Jurisdiction [Member] | National Taxation Bureau of Taipei [Member]
Income taxes paid	665
Foreign Tax Jurisdiction [Member] | National Tax Agency, Japan [Member]
Income taxes paid	252
Foreign Tax Jurisdiction [Member] | Other Non-US [Member]
Income taxes paid	$ 144