Tetraphase Pharmaceuticals, Inc. announced earnings results for the half year ended June 30, 2020. For the half year, the company announced total revenue was USD 3.228 million compared to USD 2.346 million a year ago. Operating loss was USD 23.685 million compared to USD 41.652 million a year ago. Net loss was USD 23.552 million compared to USD 42.409 million a year ago. Basic loss per share was USD 2.35 compared to USD 15.71 a year ago.