Note 11 - Revenues By Product Category And Region: Schedule Of OUS 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
OUS
Sales, net (notes 1, 3, 9 and 11)													17,458	22,020	20,310
OUS | Obstetrics
Sales, net (notes 1, 3, 9 and 11)													821	1,041	676
OUS | Gynecology/Electrosurgery/Urology
Sales, net (notes 1, 3, 9 and 11)													11,390	11,992	11,603
OUS | Neonatal
Sales, net (notes 1, 3, 9 and 11)													1,523	1,678	1,517
OUS | Blood Pressure Monitoring and Accessories
Sales, net (notes 1, 3, 9 and 11)													$ 3,724	$ 7,309	$ 6,514