Cyanotech Corporation announced earnings results for the first quarter ended June 30, 2021. For the first quarter, the company announced sales was USD 8.964 million compared to USD 7.352 million a year ago. Operating income was USD 619,000 compared to USD 268,000 a year ago. Net income was USD 520,000 compared to USD 138,000 a year ago. Basic earnings per share from continuing operations was USD 0.09 compared to USD 0.02 a year ago. Diluted earnings per share from continuing operations was USD 0.08 compared to USD 0.02 a year ago.