Electronic Systems Technology, Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 424,775 compared to USD 273,968 a year ago. Operating income was USD 3,821 compared to operating loss of USD 113,769 a year ago. Net income was USD 4,682 compared to net loss of USD 110,306 a year ago. Basic eps - continuing operations was USD 0 compared to basic loss per share from continuing operations of USD 0.02 a year ago.