Tetraphase Pharmaceuticals, Inc. announced earnings results for the first quarter ended March 31, 2020. For the first quarter, the company announced total revenue was USD 1.755 million compared to USD 1.273 million a year ago. Operating loss was USD 12.264 million compared to USD 19.040 million a year ago. Net loss was USD 12.124 million compared to USD 19.488 million a year ago. Basic loss per share was USD 1.31 compared to USD 7.25 a year ago.