Note 18 - Segment Reporting - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Long-lived assets	$ 257,785	$ 280,346	$ 282,666
Operating Segments [Member] \| United States Segment [Member]
Long-lived assets	203,816	215,701	215,721
Operating Segments [Member] \| Europe Segment [Member]
Long-lived assets	53,835	59,388	59,388
Operating Segments [Member] \| Japan Segment [Member]
Long-lived assets	$ 134	$ 5,257	$ 7,557

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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