Inrad Optics, Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 2.779 million compared to USD 2.050 million a year ago. Operating income was USD 203,983 compared to operating loss of USD 286,224 a year ago. Net income was USD 1.140 million compared to net loss of USD 324,487 a year ago. Basic earnings per share from continuing operations was USD 0.08 compared to basic loss per share from continuing operations of USD 0.02 a year ago.