UTAH MEDICAL PRODUCTS, INC. CONSOLIDATED STATEMENTS 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, 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)
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
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	(9,782)	110,820	101,093
Equity Balance, shares at Dec. 31, 2019	3,722
Common stock issued upon exercise of employee stock options	$ 0	358	0	0	358
Common stock issued upon exercise of employee stock options, shares	8
Stock option compensation expense	$ 0	160	0	0	160
Common stock purchased and retired	$ (1)	(421)	0	(6,555)	(6,976)
Common stock purchased and retired, shares	(87)
Foreign currency translation adjustment	$ 0	0	1,502	0	1,502
Common stock dividends	0	0	0	(4,112)	(4,112)
Net income	0	0	0	10,798	10,798
Equity Balance, value at Dec. 31, 2020	$ 36	$ 115	$ (8,280)	$ 110,951	$ 102,822
Equity Balance, shares at Dec. 31, 2020	3,643