| Apr 30, 2013 | Apr 30, 2014 | Apr 30, 2015 | Apr 30, 2016 | Apr 30, 2017 | Apr 30, 2018 | Apr 30, 2019 | Apr 30, 2020 | Apr 30, 2021 | Apr 30, 2022 | Apr 30, 2023 |
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Net sales | 403,957 | 437,755 | 430,541 | 465,579 | 475,866 | 494,793 | 504,153 | 483,360 | 446,281 | 400,769 | 431,674 |
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Cost of sales | 211,869 | 225,951 | 223,132 | 246,761 | 249,696 | 260,810 | 263,778 | 250,605 | 231,278 | 241,188 | 266,089 |
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Gross profit (loss) | | | | | | | | | | | |
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Selling, general and administrative expenses | | | | | | | | | | | |
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Operating profit (loss) | | | | | | | | | | | |
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Interest income | | | | | | | | | | | |
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Dividend income | | | | | | | | | | | |
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Rental income | | | | | | | | | | | |
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Compensation income for damaged products | | | | | | | | | | | |
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Share of profit of entities accounted for using equity method | | | | | | | | | | | |
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Gain on prepaid card | | | | | | | | | | | |
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Foreign exchange gains | | | | | | | | | | | |
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Subsidy income | | | | | | | | | | | |
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Other | | | | | | | | | | | |
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Non-operating income | | | | | | | | | | | |
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Interest expenses | | | | | | | | | | | |
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Loss on cancellation of leases | | | | | | | | | | | |
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Other | | | | | | | | | | | |
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Non-operating expenses | | | | | | | | | | | |
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Ordinary profit (loss) | | | | | | | | | | | |
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Gain on sale of non-current assets | | | | | | | | | | | |
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Gain on receipt of donated non-current assets | | | | | | | | | | | |
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Gain on sale of investment securities | | | | | | | | | | | |
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Subsidy income | | | | | | | | | | | |
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Other | | | | | | | | | | | |
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Extraordinary income | | | | | | | | | | | |
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Loss on sale of non-current assets | | | | | | | | | | | |
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Loss on abandonment of non-current assets | | | | | | | | | | | |
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Impairment losses | | | | | | | | | | | |
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Loss on valuation of investment securities | | | | | | | | | | | |
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Loss on COVID-19 | | | | | | | | | | | |
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Other | | | | | | | | | | | |
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Extraordinary losses | | | | | | | | | | | |
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Profit (loss) before income taxes | | | | | | | | | | | |
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Income taxes - current | | | | | | | | | | | |
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Income taxes - deferred | | | | | | | | | | | |
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Income taxes | | | | | | | | | | | |
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Profit (loss) | | | | | | | | | | | |
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Profit (loss) attributable to non-controlling interests | | | | | | | | | | | |
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Profit (loss) attributable to owners of parent | | | | | | | | | | | |
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