| Jul 31,
2017 | Jul 31,
2018 | Jul 31,
2019 | Jul 31,
2020 | Jul 31,
2021 | Jul 31,
2022 | Jul 31,
2023 | Jul 31,
2024 |
|---|
| Profit (loss) before income taxes | -157 | -327 | -723 | 361 | -576 | -1,946 | 170 | -2,019 |
|---|
| Depreciation | 1 | 1 | 2 | 8 | 44 | 49 | 48 | 44 |
|---|
| Gain on sale of non-current assets | - | - | - | - | - | - | -0 | -0 |
|---|
| Interest and dividend income | -0 | -0 | -0 | -0 | -0 | - | - | - |
|---|
| Subsidy income | -4 | -52 | -10 | -13 | -13 | -0 | -1 | -0 |
|---|
| Fiduciary obligation income | - | - | - | - | - | -8 | - | - |
|---|
| Interest expenses | - | - | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Foreign exchange losses (gains) | -0 | -0 | 0 | 0 | -0 | -0 | - | - |
|---|
| Gain on reversal of share acquisition rights | - | - | - | - | -8 | -26 | -25 | -59 |
|---|
| Share-based payment expenses | - | - | - | 82 | 325 | 556 | 566 | 502 |
|---|
| Decrease (increase) in inventories | - | -10 | -2 | -5 | 6 | 8 | -4 | -21 |
|---|
| Decrease (increase) in prepaid expenses | -15 | 47 | -92 | -233 | -3 | 39 | 134 | 13 |
|---|
| Decrease (increase) in consumption taxes refund receivable | -19 | -0 | -23 | 42 | -37 | -66 | 103 | -187 |
|---|
| Increase (decrease) in accounts payable - other | -16 | 0 | 8 | 198 | -204 | -18 | 34 | -30 |
|---|
| Increase (decrease) in accrued expenses | -0 | 3 | 4 | 3 | 8 | 2 | -8 | 2 |
|---|
| Increase (decrease) in accrued consumption taxes | -28 | - | - | 61 | -61 | - | 118 | -118 |
|---|
| Other, net | -5 | 5 | 14 | 5 | -10 | 2 | 2 | -6 |
|---|
| Subtotal | -242 | -331 | -799 | 573 | -529 | -1,409 | 1,138 | -1,878 |
|---|
| Interest and dividends received | 0 | 0 | 0 | 0 | 0 | - | - | - |
|---|
| Subsidies received | 1 | 37 | 23 | 23 | 13 | 0 | 1 | 0 |
|---|
| Proceeds from fiduciary obligation fee | - | - | - | - | - | 8 | - | - |
|---|
| Interest paid | - | - | -0 | -0 | -0 | -0 | -0 | -0 |
|---|
| Income taxes paid | -44 | -0 | -2 | -20 | -3 | -4 | -4 | -4 |
|---|
| Income taxes refund | - | 33 | - | 0 | 0 | 0 | - | - |
|---|
| Net cash provided by (used in) operating activities | -285 | -261 | -778 | 575 | -520 | -1,405 | 1,135 | -1,881 |
|---|
| Purchase of property, plant and equipment | - | - | -5 | -153 | -89 | -0 | - | -2 |
|---|
| Proceeds from sale of property, plant and equipment | - | - | - | - | - | - | 0 | 0 |
|---|
| Purchase of intangible assets | - | - | -1 | - | -1 | - | -0 | -2 |
|---|
| Proceeds from refund of leasehold and guarantee deposits | - | - | - | 1 | 2 | 0 | - | - |
|---|
| Net cash provided by (used in) investing activities | -0 | - | -7 | -154 | -93 | -0 | -0 | -5 |
|---|
| Repayments of lease liabilities | - | - | -2 | -3 | -3 | -3 | -3 | -1 |
|---|
| Proceeds from issuance of shares | - | 1,200 | 1,440 | 7,769 | 112 | 116 | 206 | 79 |
|---|
| Purchase of treasury shares | - | - | - | - | - | -0 | -0 | - |
|---|
| Net cash provided by (used in) financing activities | - | 1,200 | 1,437 | 7,757 | 109 | 113 | 203 | 79 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 0 | 0 | -0 | -0 | 0 | 0 | - | - |
|---|
| Net increase (decrease) in cash and cash equivalents | -286 | 939 | 653 | 8,179 | -503 | -1,292 | 1,338 | -1,807 |
|---|