| Sep 30,
2017 | Sep 30,
2018 | Sep 30,
2019 | Sep 30,
2020 | Sep 30,
2021 | Sep 30,
2022 | Sep 30,
2023 |
|---|
| Profit (loss) before income taxes | 5,777 | 8,841 | -24,752 | 1,844 | 4,279 | 3,935 | 3,049 |
|---|
| Depreciation | 782 | 1,112 | 1,207 | 414 | 588 | 552 | 796 |
|---|
| Impairment losses | 16 | 79 | 9,128 | 739 | 84 | 294 | 1 |
|---|
| Increase (decrease) in provision for bonuses | 120 | -90 | 89 | 40 | 114 | -30 | 82 |
|---|
| Provision for loss on fire | - | - | - | - | - | - | 124 |
|---|
| Increase (decrease) in provision for product warranties | - | - | - | - | - | 367 | 1,167 |
|---|
| Foreign exchange losses (gains) | -49 | -6 | 173 | -27 | -35 | -28 | -6 |
|---|
| Insurance claim income | - | - | - | - | - | -263 | - |
|---|
| Compensation income for damage | - | - | - | - | -158 | -437 | - |
|---|
| Settlement payments | - | - | - | - | - | 272 | - |
|---|
| Loss on fire | - | - | - | - | - | - | 38 |
|---|
| Loss (gain) on valuation of investment securities | - | - | 925 | 179 | 95 | 26 | 93 |
|---|
| Decrease (increase) in trade receivables | -2,405 | -2,565 | 6,002 | -577 | -554 | -735 | -1,287 |
|---|
| Decrease (increase) in inventories | -4,129 | -4,215 | 5,002 | -1,085 | -835 | -1,212 | -323 |
|---|
| Increase (decrease) in trade payables | 2,778 | 1,705 | -5,199 | -279 | -455 | 360 | 135 |
|---|
| Increase (decrease) in accounts payable - other | 2,199 | -1,348 | 655 | -516 | 9 | -721 | 266 |
|---|
| Other, net | -378 | 459 | -71 | 541 | 837 | 419 | 10 |
|---|
| Subtotal | 5,020 | 376 | -6,888 | 98 | 4,129 | 2,432 | 4,148 |
|---|
| Interest and dividends received | 4 | 3 | 12 | 21 | 14 | 23 | 19 |
|---|
| Interest paid | -11 | -21 | -26 | - | -8 | -14 | - |
|---|
| Proceeds from insurance income | - | - | - | - | - | 263 | - |
|---|
| Proceeds from damage income | - | - | - | - | 158 | 356 | - |
|---|
| Settlement paid | - | - | - | - | - | -272 | - |
|---|
| Income taxes paid | -1,527 | -1,578 | -4,691 | - | -209 | -910 | -1,481 |
|---|
| Net cash provided by (used in) operating activities | 3,486 | -1,219 | -11,594 | 1,536 | 3,927 | 1,879 | 2,686 |
|---|
| Purchase of property, plant and equipment | -9,608 | -4,767 | -1,916 | -1,709 | -438 | -564 | -1,185 |
|---|
| Purchase of intangible assets | -124 | -145 | -915 | -380 | -139 | -441 | -264 |
|---|
| Purchase of investment securities | -7 | -34 | -1,793 | -671 | -330 | -903 | -1,143 |
|---|
| Proceeds from sale of investment securities | - | - | - | - | 145 | 49 | - |
|---|
| Purchase of shares of subsidiaries | - | - | - | - | - | -110 | - |
|---|
| Other, net | -178 | -265 | -121 | -197 | 12 | 93 | -195 |
|---|
| Net cash provided by (used in) investing activities | -10,241 | -5,512 | -4,547 | -1,700 | -750 | -1,876 | -2,788 |
|---|
| Repayments of long-term borrowings | -3,039 | -3,720 | - | -90 | -2 | -15 | -17 |
|---|
| Proceeds from issuance of shares | - | 32,715 | 48 | - | 10 | 312 | 13 |
|---|
| Proceeds from share issuance to non-controlling shareholders | - | - | - | - | 60 | 1,175 | 618 |
|---|
| Purchase of treasury shares | - | - | - | - | -904 | - | - |
|---|
| Dividends paid | -14 | -21 | -63 | - | - | -389 | -393 |
|---|
| Other, net | - | - | 7 | 1 | 37 | -29 | -26 |
|---|
| Net cash provided by (used in) financing activities | 7,071 | 31,546 | -55 | -183 | -779 | 1,052 | 195 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 65 | 24 | 28 | -68 | -216 | -177 | -484 |
|---|
| Net increase (decrease) in cash and cash equivalents | 381 | 24,839 | -16,168 | -416 | 2,181 | 877 | -391 |
|---|