ELECTRONIC SYSTEMS TECHNOLOGY, INC. STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($)	Common Stock	Additional Paid-in Capital	Retained Earnings	Total
Equity balance at Dec. 31, 2017	$ 4,986	$ 944,040	$ 1,004,145	$ 1,953,171
Shares outstanding at Dec. 31, 2017	4,985,748
Net loss	$ 0	0	(54,826)	$ (54,826)
Common stock repurchased	(39,246)			(14,920)
Common stock repurchased	$ (39)	(14,881)	0	$ (14,920)
Equity balance at Mar. 31, 2018	$ 4,947	929,159	949,319	1,883,425
Shares outstanding at Mar. 31, 2018	4,946,502
Common stock options				0
Equity balance at Dec. 31, 2018	$ 4,947	929,159	813,188	1,747,294
Shares outstanding at Dec. 31, 2018	4,946,502
Net loss	$ 0	0	(110,306)	$ (110,306)
Common stock repurchased				0
Equity balance at Mar. 31, 2019	$ 4,947	931,441	702,882	$ 1,639,270
Shares outstanding at Mar. 31, 2019	4,946,502
Common stock options		$ 2,282	$ 0	$ 2,282