Note 12 - Revenues by Product Category: Schedule Of Revenues By Product Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Details
Company Revenue Obstetrics	$ 4,499	$ 4,532	$ 4,587
Company Revenue Gynecology/Electrosurgery/Urology	23,175	20,683	22,356
Company Revenue Neonatal	6,154	6,007	6,299
Company Revenue Blood Pressure Monitoring and Accessories	$ 7,586	$ 8,076	$ 6,915