(6) Revenue Recognition: Schedule Of Global Revenues By Product Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
DomesticUsMember | Obstetrics
Sales, net	$ 818		$ 1,650
DomesticUsMember | Gynecology/Electrosurgery/Urology
Sales, net	2,421		4,751
DomesticUsMember | Neonatal
Sales, net	1,737		3,358
DomesticUsMember | Blood Pressure Monitoring and Accessories
Sales, net	889		1,689
DomesticUsMember
Sales, net	5,865		11,448
OutsideUsMember | Obstetrics
Sales, net	207		400
OutsideUsMember | Gynecology/Electrosurgery/Urology
Sales, net	2,386		4,952
OutsideUsMember | Neonatal
Sales, net	365		726
OutsideUsMember | Blood Pressure Monitoring and Accessories
Sales, net	1,130		2,137
OutsideUsMember
Sales, net	4,088		8,215
Obstetrics
Sales, net	1,025		2,050
Gynecology/Electrosurgery/Urology
Sales, net	4,807		9,703
Neonatal
Sales, net	2,102		4,084
Blood Pressure Monitoring and Accessories
Sales, net	2,019		3,826
Sales, net	$ 9,953	$ 10,400	$ 19,663	$ 21,740