UTAH MEDICAL PRODUCTS, INC. CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capitol	Comprehensive Income	Retained Earnings	Total
Equity Balance, value at Dec. 31, 2016	$ 37	$ 378	$ (12,243)	$ 81,072	$ 69,244
Equity Balance, shares at Dec. 31, 2016	3,713
Common stock issued upon exercise of employee stock options	$ 0	327	0	0	327
Common stock issued upon exercise of employee stock options, shares	9
Common stock received and retired upon exercise of stock options	$ 0	(25)	0	0	(25)
Common stock received and retired upon exercise of stock options, shares	0
Stock option compensation expense	$ 0	129	0	0	129
Common stock purchased and retired	0	0	0	0	0
Foreign currency translation adjustment	0	0	3,893	0	3,893
Unrealized holding gain (loss) from investments, available-for-sale, net of taxes	0	0	10	0	10
Common stock dividends	0	0	0	(3,960)	(3,960)
Net income	0	0	0	8,505	8,505
Equity Balance, value at Dec. 31, 2017	$ 37	809	(8,341)	85,617	78,122
Equity Balance, shares at Dec. 31, 2017	3,722
Common stock issued upon exercise of employee stock options	$ 0	679	0	0	679
Common stock issued upon exercise of employee stock options, shares	16
Common stock received and retired upon exercise of stock options	$ 0	(225)	0	0	(225)
Common stock received and retired upon exercise of stock options, shares	(2)
Stock option compensation expense	$ 0	64	0	0	64
Common stock purchased and retired	$ 0	(1,205)	0	0	(1,205)
Common stock purchased and retired, shares	(15)
Foreign currency translation adjustment	$ 0	0	(2,949)	0	(2,949)
Unrealized holding gain (loss) from investments, available-for-sale, net of taxes	0	0	0	0	0
Common stock dividends	0	0	0	(4,049)	(4,049)
Net income	0	0	0	18,555	18,555
Equity Balance, value at Dec. 31, 2018	$ 37	122	(11,290)	100,123	88,992
Equity Balance, shares at Dec. 31, 2018	3,720
Common stock issued upon exercise of employee stock options	$ 0	290	0	0	290
Common stock issued upon exercise of employee stock options, shares	7
Common stock received and retired upon exercise of stock options	$ 0	(7)	0	0	(7)
Common stock received and retired upon exercise of stock options, shares	0
Stock option compensation expense	$ 0	113	0	0	113
Common stock purchased and retired	$ 0	(499)	0	101	(398)
Common stock purchased and retired, shares	(5)
Foreign currency translation adjustment	$ 0	0	1,507	0	1,507
Unrealized holding gain (loss) from investments, available-for-sale, net of taxes	0	0	0	0	0
Common stock dividends	0	0	0	(4,132)	(4,132)
Net income	0	0	0	14,727	14,727
Equity Balance, value at Dec. 31, 2019	$ 37	$ 18	$ (9,783)	$ 110,820	$ 101,093
Equity Balance, shares at Dec. 31, 2019	3,722