ELECTRONIC SYSTEMS TECHNOLOGY, INC. STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net loss	$ (190,957)	$ (116,099)
Noncash items included in net loss
Depreciation	7,970	11,076
Write off of uncollectible account receivable	75,035	0
Changes in operating assets and liabilities
Accounts receivable, net	(94,838)	41,785
Inventories	(107,824)	47,522
Prepaid expenses	443	(13,313)
Accrued interest receivable	6,760	(8,163)
Accounts payable	30,291	52,288
Accrued wages and bonus, vacation and other accrued liabilities	(2,451)	(5,781)
Refundable deposits	(8,240)	6,373
Net Cash provided (used) by Operating Activities	(283,811)	15,688
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of certificates of deposit	(1,850,000)	(900,000)
Proceeds from maturities of certificates of deposit	2,100,000	1,000,000
Net Cash provided by Investing Activities	250,000	100,000
CASH FLOWS USED IN FINANCING ACTIVITIES:
Repurchase of shares of common stock	(14,920)	(121)
Net Cash used by Financing Activities	(14,920)	(121)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(48,731)	115,567
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	323,667	208,100
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 274,936	$ 323,667