| 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 | -561 | -167 | -1 | 214 | 797 | -1,456 | -140 |
|---|
| Depreciation | 234 | 300 | 613 | 888 | 1,103 | 1,532 | 4,570 |
|---|
| Impairment losses | 56 | - | - | 27 | 8 | 217 | 38 |
|---|
| Loss on tax contribution for construction | - | - | - | - | 150 | - | 8 |
|---|
| Tax purpose reduction entry of contribution for construction | - | - | - | - | 71 | 19 | - |
|---|
| Subsidy income | - | - | - | - | -167 | - | -8 |
|---|
| Contribution received for construction | - | - | - | - | -71 | -19 | - |
|---|
| Amortization of goodwill | 16 | 37 | 53 | 41 | 31 | 36 | 38 |
|---|
| Increase (decrease) in allowance for doubtful accounts | - | - | - | 38 | - | - | 6 |
|---|
| Interest income | -7 | -19 | -24 | -28 | -21 | -27 | -49 |
|---|
| Interest expenses | 8 | 13 | 23 | 26 | 21 | 37 | 736 |
|---|
| Share issuance costs | - | 2 | 20 | - | 33 | 0 | 62 |
|---|
| Commission expenses | - | - | - | - | - | 1,415 | 259 |
|---|
| Foreign exchange losses (gains) | - | - | - | - | -29 | -49 | -48 |
|---|
| Decrease (increase) in trade receivables | 25 | -145 | -106 | 56 | -169 | 87 | -103 |
|---|
| Increase (decrease) in trade payables | 11 | 57 | 22 | -47 | 157 | -26 | 440 |
|---|
| Decrease (increase) in prepaid expenses | - | -18 | -38 | - | -18 | -70 | -846 |
|---|
| Increase (decrease) in income taxes payable - factor based tax | - | - | - | -11 | 40 | -21 | 99 |
|---|
| Increase/decrease in consumption taxes payable/consumption taxes refund receivable | - | - | 31 | 122 | -33 | -619 | -170 |
|---|
| Increase (decrease) in accounts payable - other | 111 | -73 | - | - | -5 | 117 | 666 |
|---|
| Increase (decrease) in contract liabilities | - | - | - | - | - | 351 | 2,773 |
|---|
| Other, net | -13 | -17 | 41 | 24 | 84 | 64 | 91 |
|---|
| Subtotal | 894 | 1,321 | 3,204 | 3,352 | 2,058 | 1,590 | 8,422 |
|---|
| Interest received | 8 | 13 | 19 | 34 | 22 | 22 | 48 |
|---|
| Interest paid | -8 | -13 | -23 | -26 | -21 | -78 | -716 |
|---|
| Income taxes paid | -5 | -30 | -34 | -48 | -109 | -89 | -23 |
|---|
| Net cash provided by (used in) operating activities | 889 | 1,290 | 3,166 | 3,311 | 1,950 | 1,445 | 7,731 |
|---|
| Payments into time deposits | -182 | -325 | -880 | -661 | -844 | -842 | -1,140 |
|---|
| Proceeds from withdrawal of time deposits | 151 | 185 | 861 | 571 | 844 | 689 | 909 |
|---|
| Purchase of property, plant and equipment | -800 | -1,776 | -2,611 | -2,402 | -2,585 | -12,732 | -88,448 |
|---|
| Purchase of intangible assets | - | - | - | - | - | -4 | -1,395 |
|---|
| Subsidies received | - | - | - | - | - | 150 | 514 |
|---|
| Other, net | -2 | -4 | -17 | -4 | -0 | 23 | 53 |
|---|
| Net cash provided by (used in) investing activities | -1,900 | -2,110 | -2,699 | -2,471 | -2,379 | -12,715 | -89,508 |
|---|
| Proceeds from short-term borrowings | - | - | - | - | - | - | 8,369 |
|---|
| Repayments of short-term borrowings | - | - | - | - | - | - | -8,369 |
|---|
| Proceeds from long-term borrowings | - | - | - | 300 | - | 21,926 | 57,534 |
|---|
| Repayments of long-term borrowings | - | - | - | -30 | -210 | -60 | -10,859 |
|---|
| Commission expenses paid | - | - | - | - | - | -1,245 | -442 |
|---|
| Proceeds from issuance of shares | 1,096 | 698 | 5,725 | 57 | 7,344 | 11 | 17,743 |
|---|
| Proceeds from share issuance to non-controlling shareholders | 1,060 | - | - | 100 | - | 0 | 23,982 |
|---|
| Proceeds from sale and leaseback transactions | 489 | 146 | 392 | 304 | 17 | 47 | 219 |
|---|
| Repayments of lease liabilities | -56 | -112 | -159 | -267 | -269 | -234 | -205 |
|---|
| Other, net | - | - | -0 | - | - | 0 | 0 |
|---|
| Net cash provided by (used in) financing activities | 2,603 | 571 | 4,386 | 418 | 6,782 | 20,445 | 87,973 |
|---|
| Effect of exchange rate change on cash and cash equivalents | -28 | -5 | -1 | -2 | 32 | 54 | 50 |
|---|
| Net increase (decrease) in cash and cash equivalents | 1,564 | -255 | 4,852 | 1,257 | 6,385 | 9,229 | 6,247 |
|---|