| Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | 467 | 169 | 638 |
|---|
| Depreciation | 56 | 69 | 87 |
|---|
| Increase (decrease) in allowance for doubtful accounts | 1 | -7 | -1 |
|---|
| Interest income | -3 | -3 | -0 |
|---|
| Interest expenses | 9 | 7 | 6 |
|---|
| Foreign exchange losses (gains) | 1 | -9 | 12 |
|---|
| Decrease (increase) in trade receivables | -100 | -94 | -815 |
|---|
| Decrease (increase) in inventories | -174 | -0 | 12 |
|---|
| Increase (decrease) in trade payables | -39 | 34 | 370 |
|---|
| Share-based payment expenses | - | - | 21 |
|---|
| Listing expenses | - | - | 24 |
|---|
| Increase (decrease) in provision for bonuses | -16 | 25 | 28 |
|---|
| Increase (decrease) in provision for product warranties | - | - | 320 |
|---|
| Loss (gain) on liquidation of subsidiaries and associates | -1 | -53 | - |
|---|
| Increase (decrease) in contract liabilities | 1,273 | -256 | -230 |
|---|
| Decrease (increase) in advance payments to suppliers | 50 | -27 | 36 |
|---|
| Loss (gain) on sale of investment securities | - | -3 | - |
|---|
| Other, net | 133 | 15 | 164 |
|---|
| Subtotal | 288 | -132 | 675 |
|---|
| Interest and dividends received | 3 | 3 | 0 |
|---|
| Interest paid | -0 | -0 | -1 |
|---|
| Income taxes paid | -71 | -93 | -218 |
|---|
| Net cash provided by (used in) operating activities | 219 | -223 | 456 |
|---|
| Purchase of property, plant and equipment | -15 | -47 | -18 |
|---|
| Proceeds from sale of investment securities | - | 3 | - |
|---|
| Proceeds from collection of loans receivable | - | 2,141 | - |
|---|
| Purchase of intangible assets | -74 | -89 | -155 |
|---|
| Other, net | -59 | -0 | 2 |
|---|
| Net cash provided by (used in) investing activities | -1,148 | 2,007 | -171 |
|---|
| Proceeds from issuance of shares | - | - | 3,804 |
|---|
| Repayments of lease liabilities | -8 | -11 | -12 |
|---|
| Proceeds from issuance of share acquisition rights | - | 41 | - |
|---|
| Payments of listing expenses | - | - | -0 |
|---|
| Net cash provided by (used in) financing activities | -8 | 30 | 3,791 |
|---|
| Effect of exchange rate change on cash and cash equivalents | -1 | 95 | 88 |
|---|
| Net increase (decrease) in cash and cash equivalents | -939 | 1,909 | 4,165 |
|---|