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, 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
Equity Balance, value at Dec. 31, 2020	$ 36	115	(8,281)	110,951	102,822
Equity Balance, shares at Dec. 31, 2020	3,643
Common stock issued upon exercise of employee stock options	$ 0	281	0	0	281
Common stock issued upon exercise of employee stock options, shares	6
Stock option compensation expense	$ 0	123	0	0	123
Foreign currency translation adjustment	0	0	(787)	0	(787)
Common stock dividends	0	0	0	(3,116)	(3,116)
Net income	0	0	0	10,656	10,656
Equity Balance, value at Sep. 30, 2021	$ 36	520	(9,068)	118,492	109,980
Equity Balance, shares at Sep. 30, 2021	3,649
Equity Balance, value at Jun. 30, 2021	$ 36	289	(8,286)	115,326	107,365
Equity Balance, shares at Jun. 30, 2021	3,646
Common stock issued upon exercise of employee stock options	$ 0	189	0	0	189
Common stock issued upon exercise of employee stock options, shares	3
Stock option compensation expense	$ 0	41	0	0	41
Foreign currency translation adjustment	0	0	(782)	0	(782)
Common stock dividends	0	0	0	(1,040)	(1,040)
Net income	0	0	0	4,206	4,206
Equity Balance, value at Sep. 30, 2021	$ 36	$ 520	$ (9,068)	$ 118,492	$ 109,980
Equity Balance, shares at Sep. 30, 2021	3,649