Note 11 - Revenues By Product Category And Region: Schedule Of Global Revenues By Product Category (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Sales, net (notes 1, 3, 9 and 11)	$ 9,157	$ 10,005	$ 10,400	$ 11,340	$ 12,333	$ 12,505	$ 12,866	$ 12,520	$ 13,575	$ 12,955	$ 13,428	$ 12,323	$ 40,903	$ 50,224	$ 52,281
Global
Sales, net (notes 1, 3, 9 and 11)													40,903	50,224	52,281
Global | Obstetrics
Sales, net (notes 1, 3, 9 and 11)													4,260	4,592	4,661
Global | Gynecology/Electrosurgery/Urology
Sales, net (notes 1, 3, 9 and 11)													20,707	22,300	21,841
Global | Neonatal
Sales, net (notes 1, 3, 9 and 11)													6,869	6,863	7,567
Global | Blood Pressure Monitoring and Accessories
Sales, net (notes 1, 3, 9 and 11)													$ 9,067	$ 16,469	$ 18,212