| Mar 31,
2014 | Mar 31,
2015 | Mar 31,
2016 | Mar 31,
2017 | Mar 31,
2018 | Mar 31,
2019 | Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | -211 | 12 | -322 | -645 | -752 | -835 | -854 | -1,186 | -1,684 | -1,652 | -1,023 |
|---|
| Depreciation | 12 | 18 | 14 | 36 | 26 | 28 | 18 | 27 | 16 | 0 | 11 |
|---|
| Impairment losses | - | - | - | - | - | - | - | - | 48 | 3 | 40 |
|---|
| Interest income | -0 | -1 | -1 | -1 | -0 | -1 | -1 | -0 | -0 | -1 | -0 |
|---|
| ki | - | - | - | - | - | - | - | - | - | -1 | -1 |
|---|
| Foreign exchange losses (gains) | -0 | -3 | - | -0 | 1 | -1 | -0 | 1 | -19 | -22 | -2 |
|---|
| Share issuance costs | - | 18 | 1 | 0 | 7 | 11 | 14 | 20 | 3 | 10 | 4 |
|---|
| Share-based payment expenses | - | - | - | - | - | - | - | - | 3 | 7 | 6 |
|---|
| Decrease (increase) in inventories | 2 | 5 | -4 | -1 | 3 | -5 | 2 | 3 | 1 | 0 | -0 |
|---|
| Decrease (increase) in advance payments to suppliers | - | - | - | - | - | - | 46 | -152 | 32 | 14 | 95 |
|---|
| Increase (decrease) in advances received | 99 | - | - | -99 | - | 7 | 0 | -3 | - | -4 | - |
|---|
| Increase (decrease) in accounts payable - other | 5 | -15 | 10 | 6 | 27 | -21 | -12 | 20 | 112 | -35 | -53 |
|---|
| Other, net | -4 | 41 | -68 | 12 | -7 | -14 | 39 | 12 | -12 | -30 | -8 |
|---|
| Subtotal | -162 | 134 | -327 | -708 | -694 | -830 | -902 | -1,149 | -1,500 | -1,710 | -933 |
|---|
| Interest received | 0 | 1 | 4 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
|---|
| Income taxes paid | -1 | -1 | -2 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 |
|---|
| Net cash provided by (used in) operating activities | -163 | 135 | -325 | -707 | -695 | -830 | -902 | -1,149 | -1,499 | -1,709 | -933 |
|---|
| Purchase of property, plant and equipment | -37 | -3 | -48 | -30 | -14 | -16 | -47 | -2 | -10 | -24 | -23 |
|---|
| Net decrease (increase) in short-term investment securities | - | - | -1,199 | 599 | -0 | -400 | 600 | -2,100 | 700 | 300 | 200 |
|---|
| Other, net | - | - | - | - | - | - | - | -0 | - | 0 | - |
|---|
| Net cash provided by (used in) investing activities | 63 | -1,303 | -1,362 | 594 | 959 | -418 | 553 | -1,700 | 690 | 276 | 177 |
|---|
| Proceeds from issuance of shares | 2 | 2,879 | 99 | 42 | 534 | 92 | 732 | 4,989 | 355 | 1,332 | 27 |
|---|
| Other, net | - | 1 | - | 4 | 0 | -0 | 6 | - | - | 1 | 1 |
|---|
| Net cash provided by (used in) financing activities | 2 | 2,872 | 99 | 46 | 535 | 1,081 | 537 | 4,989 | 355 | 1,334 | 28 |
|---|
| Effect of exchange rate change on cash and cash equivalents | 0 | 3 | - | 0 | -1 | 1 | 0 | -1 | 19 | 22 | 2 |
|---|
| Net increase (decrease) in cash and cash equivalents | -98 | 1,706 | -1,588 | -67 | 797 | -167 | 188 | 2,138 | -436 | -77 | -725 |
|---|