| Mar 31, 2019 | Mar 31, 2020 | Mar 31, 2021 | Mar 31, 2022 | Mar 31, 2023 | Mar 31, 2024 |
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Net sales | 29,702 | 39,014 | 37,763 | 37,515 | 39,095 | 36,834 |
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Consulting fee income | - | - | - | - | 500 | 600 |
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Dividends from subsidiaries and associates | - | - | - | - | 1,397 | 1,979 |
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Operating revenue | - | - | - | - | 1,897 | 2,579 |
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Cost of sales | 22,655 | 28,868 | 26,514 | 25,607 | 27,278 | 24,660 |
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Selling, general and administrative expenses | 4,530 | 6,358 | 5,958 | 5,764 | 6,257 | 6,446 |
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Operating expenses | 4,530 | 6,358 | 5,958 | 5,764 | 6,257 | 6,446 |
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Gross profit (loss) | 7,047 | 10,147 | 11,249 | 11,907 | 11,818 | 12,174 |
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Operating profit (loss) | 2,517 | 3,789 | 5,291 | 6,144 | 5,561 | 5,727 |
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Selling, general and administrative expenses | 4,530 | 6,358 | 5,958 | 5,764 | 6,257 | 6,446 |
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Interest income | 0 | 1 | 1 | 1 | 0 | 0 |
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Miscellaneous income | - | - | - | - | 4 | 3 |
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Dividend income | 23 | 35 | 32 | 37 | 35 | 33 |
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Non-operating income | 294 | 298 | 460 | 368 | 360 | 272 |
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Consulting fee income | 40 | 40 | 40 | 40 | 40 | 40 |
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Reversal of allowance for doubtful accounts | 1 | 6 | 27 | 23 | 2 | 11 |
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Compensation income | - | - | - | - | 43 | - |
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Compensation for damage income | - | - | - | - | 57 | - |
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Gain on sale of scraps | - | - | 38 | 95 | 43 | 74 |
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Other | 143 | 155 | 179 | 173 | 139 | 114 |
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Non-operating income | 294 | 298 | 460 | 368 | 360 | 272 |
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Operating profit (loss) | 2,517 | 3,789 | 5,291 | 6,144 | 5,561 | 5,727 |
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Interest expenses | 23 | 25 | 41 | 28 | 27 | 28 |
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Share of loss of entities accounted for using equity method | - | 17 | 0 | 16 | 5 | 8 |
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Commission for purchase of treasury shares | - | - | - | - | 3 | 5 |
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Settlement of contract cancellation | - | - | - | - | 16 | - |
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Non-operating expenses | 117 | 128 | 115 | 77 | 82 | 150 |
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Compensation for damage | - | - | - | - | - | 55 |
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Other | 46 | 53 | 46 | 34 | 35 | 59 |
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Non-operating expenses | 117 | 128 | 115 | 77 | 82 | 150 |
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Interest income | 0 | 1 | 1 | 1 | 0 | 0 |
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Miscellaneous income | - | - | - | - | 4 | 3 |
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Dividend income | 23 | 35 | 32 | 37 | 35 | 33 |
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Non-operating income | 294 | 298 | 460 | 368 | 360 | 272 |
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Consulting fee income | 40 | 40 | 40 | 40 | 40 | 40 |
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Reversal of allowance for doubtful accounts | 1 | 6 | 27 | 23 | 2 | 11 |
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Compensation income | - | - | - | - | 43 | - |
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Compensation for damage income | - | - | - | - | 57 | - |
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Gain on sale of scraps | - | - | 38 | 95 | 43 | 74 |
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Other | 143 | 155 | 179 | 173 | 139 | 114 |
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Non-operating income | 294 | 298 | 460 | 368 | 360 | 272 |
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Ordinary profit (loss) | 2,694 | 3,959 | 5,636 | 6,435 | 5,838 | 5,850 |
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Interest expenses | 23 | 25 | 41 | 28 | 27 | 28 |
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Share of loss of entities accounted for using equity method | - | 17 | 0 | 16 | 5 | 8 |
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Commission for purchase of treasury shares | - | - | - | - | 3 | 5 |
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Settlement of contract cancellation | - | - | - | - | 16 | - |
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Non-operating expenses | 117 | 128 | 115 | 77 | 82 | 150 |
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Compensation for damage | - | - | - | - | - | 55 |
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Other | 46 | 53 | 46 | 34 | 35 | 59 |
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Non-operating expenses | 117 | 128 | 115 | 77 | 82 | 150 |
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Loss on sale of non-current assets | - | 0 | 23 | 1 | 0 | 9 |
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Loss on valuation of investment securities | - | - | 2 | - | 81 | 55 |
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Loss on retirement of non-current assets | 7 | 26 | 10 | 9 | 16 | 76 |
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Extraordinary losses | 274 | 541 | 290 | 129 | 97 | 227 |
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Loss on sale of investment securities | - | - | - | - | 0 | - |
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Loss on valuation of investment securities | - | - | 2 | - | 81 | 55 |
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Impairment losses | 162 | 0 | 223 | - | - | 87 |
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Extraordinary losses | 274 | 541 | 290 | 129 | 97 | 227 |
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Ordinary profit (loss) | 2,694 | 3,959 | 5,636 | 6,435 | 5,838 | 5,850 |
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Profit (loss) before income taxes | 6,625 | 3,620 | 5,517 | 6,392 | 5,902 | 5,876 |
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Gain on sale of non-current assets | 14 | 193 | 151 | 86 | 9 | 152 |
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Gain on sale of investment securities | - | 8 | 0 | - | 0 | 0 |
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Gain on sale of businesses | - | - | - | - | 95 | - |
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Gain on partial termination of retirement benefit plan | - | - | - | - | 56 | - |
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Surrender value of insurance policies | - | - | - | - | - | 101 |
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Extraordinary income | 4,204 | 202 | 172 | 86 | 161 | 253 |
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Income taxes - current | 988 | 1,595 | 1,859 | 2,150 | 1,914 | 2,021 |
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Loss on sale of non-current assets | - | 0 | 23 | 1 | 0 | 9 |
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Loss on valuation of investment securities | - | - | 2 | - | 81 | 55 |
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Loss on retirement of non-current assets | 7 | 26 | 10 | 9 | 16 | 76 |
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Extraordinary losses | 274 | 541 | 290 | 129 | 97 | 227 |
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Loss on sale of investment securities | - | - | - | - | 0 | - |
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Loss on valuation of investment securities | - | - | 2 | - | 81 | 55 |
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Impairment losses | 162 | 0 | 223 | - | - | 87 |
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Extraordinary losses | 274 | 541 | 290 | 129 | 97 | 227 |
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Income taxes - deferred | -298 | -311 | -101 | -1 | 246 | 126 |
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Profit (loss) before income taxes | 6,625 | 3,620 | 5,517 | 6,392 | 5,902 | 5,876 |
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Income taxes | 690 | 1,284 | 1,758 | 2,149 | 2,160 | 2,147 |
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Income taxes - current | 988 | 1,595 | 1,859 | 2,150 | 1,914 | 2,021 |
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Profit (loss) | 5,935 | 2,336 | 3,759 | 4,242 | 3,742 | 3,729 |
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Income taxes - deferred | -298 | -311 | -101 | -1 | 246 | 126 |
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Income taxes | 690 | 1,284 | 1,758 | 2,149 | 2,160 | 2,147 |
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Profit (loss) | 5,935 | 2,336 | 3,759 | 4,242 | 3,742 | 3,729 |
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Profit (loss) attributable to owners of parent | 5,935 | 2,336 | 3,759 | 4,242 | 3,742 | 3,729 |
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