Note 3 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenues	$ 29,033	$ 25,678	$ 56,057	$ 49,923
Transferred at Point in Time [Member]
Revenues	26,037	21,412	49,920	42,005
Transferred over Time [Member]
Revenues	2,996	4,266	6,137	7,918
Connectivity Products [Member]
Revenues	22,683	16,277	42,516	36,722
Smart Sensing Products [Member]
Revenues	6,350	9,401	13,541	13,201
UNITED STATES
Revenues	10,893	5,544	18,343	9,163
Europe and Middle East [Member]
Revenues	937	2,010	1,916	3,494
Asia Pacific [Member]
Revenues	17,203	18,124	35,798	37,266
License [Member]
Revenues	18,221	15,022	36,041	30,064
License [Member] \| Transferred at Point in Time [Member]
Revenues	15,225	10,756	29,904	22,146
License [Member] \| Transferred over Time [Member]
Revenues	2,996	4,266	6,137	7,918
License [Member] \| Connectivity Products [Member]
Revenues	14,034	7,999	26,958	21,512
License [Member] \| Smart Sensing Products [Member]
Revenues	4,187	7,023	9,083	8,552
License [Member] \| UNITED STATES
Revenues	9,612	4,275	15,452	6,690
License [Member] \| Europe and Middle East [Member]
Revenues	220	1,210	538	1,716
License [Member] \| Asia Pacific [Member]
Revenues	8,389	9,537	20,051	21,658
Royalty [Member]
Revenues	10,812	10,656	20,016	19,859
Royalty [Member] \| Transferred at Point in Time [Member]
Revenues	10,812	10,656	20,016	19,859
Royalty [Member] \| Connectivity Products [Member]
Revenues	8,649	8,278	15,558	15,210
Royalty [Member] \| Smart Sensing Products [Member]
Revenues	2,163	2,378	4,458	4,649
Royalty [Member] \| UNITED STATES
Revenues	1,281	1,269	2,891	2,473
Royalty [Member] \| Europe and Middle East [Member]
Revenues	717	800	1,378	1,778
Royalty [Member] \| Asia Pacific [Member]
Revenues	$ 8,814	$ 8,587	$ 15,747	$ 15,608