UTAH MEDICAL PRODUCTS, INC. CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Comprehensive Income	Retained Earnings	Total
Equity Balance, value at Dec. 31, 2018	$ 37	$ 121	$ (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	222	0	0	222
Common stock issued upon exercise of employee stock options, shares	5
Stock option compensation expense	$ 0	85	0	0	85
Common stock purchased and retired	$ 0	(429)	0	31	(398)
Common stock purchased and retired, shares	(5)
Foreign currency translation adjustment	$ 0	0	(1,200)	0	(1,200)
Common stock dividends	0	0	0	(3,084)	(3,084)
Net income	0	0	0	10,369	10,369
Equity Balance, value at Sep. 30, 2019	$ 37	0	(12,490)	107,439	94,986
Equity Balance, shares at Sep. 30, 2019	3,720
Equity Balance, value at Jun. 30, 2019	$ 37	0	(10,807)	104,682	93,912
Equity Balance, shares at Jun. 30, 2019	3,719
Common stock issued upon exercise of employee stock options	$ 0	52	0	0	52
Common stock issued upon exercise of employee stock options, shares	1
Stock option compensation expense	$ 0	29	0	0	29
Common stock purchased and retired	$ 0	(81)	0	81	0
Common stock purchased and retired, shares	0
Foreign currency translation adjustment	$ 0	0	(1,683)	0	(1,683)
Common stock dividends	0	0	0	(1,029)	(1,029)
Net income	0	0	0	3,705	3,705
Equity Balance, value at Sep. 30, 2019	$ 37	0	(12,490)	107,439	94,986
Equity Balance, shares at Sep. 30, 2019	3,720
Equity Balance, value at Dec. 31, 2019	$ 37	18	(9,783)	110,820	101,092
Equity Balance, shares at Dec. 31, 2019	3,722
Common stock issued upon exercise of employee stock options	$ 0	282	0	0	282
Common stock issued upon exercise of employee stock options, shares	6
Stock option compensation expense	$ 0	121	0	0	121
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	(416)	0	(416)
Common stock dividends	0	0	0	(3,074)	(3,074)
Net income	0	0	0	7,386	7,386
Equity Balance, value at Sep. 30, 2020	$ 36	0	(10,199)	108,578	98,415
Equity Balance, shares at Sep. 30, 2020	3,640
Equity Balance, value at Jun. 30, 2020	$ 36	80	(11,710)	106,881	95,288
Equity Balance, shares at Jun. 30, 2020	3,643
Common stock issued upon exercise of employee stock options	$ 0	202	0	0	202
Common stock issued upon exercise of employee stock options, shares	4
Stock option compensation expense	$ 0	49	0	0	49
Common stock purchased and retired	$ 0	(332)	0	(219)	(551)
Common stock purchased and retired, shares	(7)
Foreign currency translation adjustment	$ 0	0	1,511	0	1,511
Common stock dividends	0	0	0	(1,018)	(1,018)
Net income	0	0	0	2,933	2,933
Equity Balance, value at Sep. 30, 2020	$ 36	$ 0	$ (10,199)	$ 108,578	$ 98,415
Equity Balance, shares at Sep. 30, 2020	3,640