 DULUTH, Minn., April 29, 2021 GLOBE NEWSWIRE -- IKONICS Corporation Nasdaq:IKNX, a Duluth-based imaging technology company IKONICS or the Company, announced its first quarter 2021 earnings. Net Sales were 3,073,000 compared to 3,497,000 in 2020, a decline of 12.1. IKONICS realized a net loss of 322,000, or 0.16 per diluted share, a 45.1 improvement over the 587,000 net loss, or 0.30 per diluted share, for the same quarter of 2020. 