Inrad Optics, Inc. announced earnings results for the first quarter ended March 31, 2019. For the first quarter, the company announced sales was USD 2.601 million compared to USD 3.302 million a year ago. Operating income was USD 2,526 compared to USD 306,225 a year ago. Net loss was USD 36,135 compared to net income of USD 264,163 a year ago.