The Japanese company posted a net loss of Y1.56bn for the year ended 31 March, versus a Y1.48bn profit a year earlier, as revenue fell to Y8.86bn from Y12.04bn.
Operating profit swung to a Y1.22bn loss from a Y2.65bn profit, while pretax profit turned to a Y1.27bn loss from Y2.58bn.
Per-share earnings were negative Y41.33, compared with positive Y37.71 previously, with results prepared under Japanese accounting standards.