Note 3 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenues	$ 27,024	$ 24,245
Transferred at Point in Time [Member]
Revenues	23,883	20,593
Transferred over Time [Member]
Revenues	3,141	3,652
Connectivity Products [Member]
Revenues	19,833	20,445
Smart Sensing Products [Member]
Revenues	7,191	3,800
UNITED STATES
Revenues	7,450	3,619
Europe and Middle East [Member]
Revenues	979	1,484
Asia Pacific [Member]
Revenues	18,595	19,142
License [Member]
Revenues	17,820	15,042
License [Member] \| Transferred at Point in Time [Member]
Revenues	14,679	11,390
License [Member] \| Transferred over Time [Member]
Revenues	3,141	3,652
License [Member] \| Connectivity Products [Member]
Revenues	12,924	13,513
License [Member] \| Smart Sensing Products [Member]
Revenues	4,896	1,529
License [Member] \| UNITED STATES
Revenues	5,840	2,415
License [Member] \| Europe and Middle East [Member]
Revenues	318	506
License [Member] \| Asia Pacific [Member]
Revenues	11,662	12,121
Royalty [Member]
Revenues	9,204	9,203
Royalty [Member] \| Transferred at Point in Time [Member]
Revenues	9,204	9,203
Royalty [Member] \| Connectivity Products [Member]
Revenues	6,909	6,932
Royalty [Member] \| Smart Sensing Products [Member]
Revenues	2,295	2,271
Royalty [Member] \| UNITED STATES
Revenues	1,610	1,204
Royalty [Member] \| Europe and Middle East [Member]
Revenues	661	978
Royalty [Member] \| Asia Pacific [Member]
Revenues	$ 6,933	$ 7,021