Tetraphase Pharmaceuticals, Inc. announced earnings results for the third quarter ended September 30, 2019. For the third quarter, the company announced total revenue was USD 3.340 million compared to USD 1.151 million a year ago. Operating loss was USD 14.338 million compared to USD 19.995 million a year ago. Net loss was USD 16.304 million compared to USD 19.558 million a year ago. Basic loss per share was USD 6 compared to USD 7.39 a year ago. For the nine months, total revenue was USD 5.686 million compared to USD 14.620 million a year ago. Operating loss was USD 55.990 million compared to USD 51.892 million a year ago. Net loss was USD 58.713 million compared to USD 50.677 million a year ago. Basic loss per share was USD 21.7 compared to USD 19.44 a year ago.