Research Frontiers Incorporated announced unaudited consolidated earnings results for the first quarter ended March 31, 2021. For the quarter, the company reported fee income was $213,123 against $356,173 a year ago. Operating loss was $557,651 against $647,586 a year ago. Net loss was $557,307 against $624,594 a year ago. Basic and diluted loss per share was $0.02 against $0.02 a year ago.