Note 13 - Segments - Long-lived Assets by Geographic Area (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Long-lived assets	$ 71,016	$ 69,471
UNITED STATES
Long-lived assets	33,875	30,438
CHINA
Long-lived assets	28,222	29,904
SLOVAKIA
Long-lived assets	6,738	6,675
UNITED KINGDOM
Long-lived assets	1,109	1,264
All Other Foreign Countries [Member]
Long-lived assets	$ 1,072	$ 1,190