Kona Grill, Inc. announced earnings results for the half year ended June 30, 2019. For the half year, the company announced sales was USD 64.781 million compared to USD 84.363 million a year ago. Operating loss was USD 15.451 million compared to USD 2.210 million a year ago. Net loss was USD 16.518 million compared to USD 3.460 million a year ago. Basic loss per share was USD 1.25 compared to USD 0.31 a year ago.