Revenue Recognition: Schedule Of Revenues By Product Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Sales, net	$ 13,428	$ 12,604	$ 25,752	$ 23,568
Obstetrics
Sales, net	1,206		2,255
Gynecology/Electrosurgery/Urology
Sales, net	5,423		10,525
Neonatal
Sales, net	1,913		3,786
Blood Pressure Monitoring and Accessories
Sales, net	4,886		9,186
DomesticUsMember
Sales, net	7,829		15,813
DomesticUsMember | Obstetrics
Sales, net	1,006		1,929
DomesticUsMember | Gynecology/Electrosurgery/Urology
Sales, net	2,394		4,975
DomesticUsMember | Neonatal
Sales, net	1,514		3,096
DomesticUsMember | Blood Pressure Monitoring and Accessories
Sales, net	2,915		5,813
OutsideUsMember
Sales, net	5,599		9,939
OutsideUsMember | Obstetrics
Sales, net	200		326
OutsideUsMember | Gynecology/Electrosurgery/Urology
Sales, net	3,029		5,550
OutsideUsMember | Neonatal
Sales, net	399		690
OutsideUsMember | Blood Pressure Monitoring and Accessories
Sales, net	$ 1,971		$ 3,373