Research Frontiers Incorporated announced earnings results for the second quarter ended June 30, 2021. For the second quarter, the company announced operating loss was USD 528,951 compared to USD 602,581 a year ago. Net loss was USD 527,935 compared to USD 398,981 a year ago. Basic loss per share from continuing operations was USD 0.02 compared to USD 0.01 a year ago. For the half year, operating loss was USD 1.086 million compared to USD 1.250 million a year ago. Net loss was USD 1.085 million compared to USD 1.023 million a year ago. Basic loss per share from continuing operations was USD 0.03 compared to USD 0.03 a year ago.