| Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | -6,402 | 10,627 | 3,516 | 4,909 |
|---|
| Depreciation | 1,193 | 170 | 459 | 676 |
|---|
| Amortization of goodwill | 52 | 52 | 52 | 52 |
|---|
| Increase (decrease) in provision for bonuses | - | - | - | 136 |
|---|
| Interest and dividend income | - | - | - | - |
|---|
| Interest expenses | 512 | 625 | 384 | 483 |
|---|
| Loss on retirement of non-current assets | - | - | - | 17 |
|---|
| Decrease (increase) in trade receivables | 1,837 | -308 | 373 | 150 |
|---|
| Decrease (increase) in inventories | 2,027 | -4,182 | -3,466 | -29,217 |
|---|
| Increase (decrease) in contract liabilities | - | 285 | 2,560 | 198 |
|---|
| Other, net | 120 | 293 | 142 | -404 |
|---|
| Subtotal | 3,909 | -295 | 4,022 | -22,998 |
|---|
| Interest and dividends received | - | - | - | - |
|---|
| Interest paid | -592 | -730 | -306 | -443 |
|---|
| Income taxes paid | -576 | -3 | -5 | -3,209 |
|---|
| Income taxes refund | - | 256 | - | - |
|---|
| Net cash provided by (used in) operating activities | 2,746 | -772 | 3,711 | -26,652 |
|---|
| Purchase of property, plant and equipment | -6 | -42 | -8,228 | -3 |
|---|
| Proceeds from sale of property, plant and equipment | 7,399 | 26,214 | - | 2 |
|---|
| Purchase of intangible assets | - | - | -25 | -34 |
|---|
| Purchase of shares of subsidiaries and associates | -2 | -72 | -84 | -114 |
|---|
| Payments for investments in capital of subsidiaries and associates | -12 | -6 | -29 | -38 |
|---|
| Other, net | -39 | -10 | -66 | -1 |
|---|
| Net cash provided by (used in) investing activities | 7,788 | 26,082 | -8,434 | -189 |
|---|
| Net increase (decrease) in short-term borrowings | -21,407 | -3,690 | -6,319 | 24,199 |
|---|
| Net increase (decrease) in commercial papers | - | - | - | 2,000 |
|---|
| Proceeds from long-term borrowings | - | - | 14,658 | - |
|---|
| Repayments of long-term borrowings | - | - | -251 | -502 |
|---|
| Proceeds from issuance of shares | 10,000 | - | 1,851 | - |
|---|
| Purchase of treasury shares | - | - | - | - |
|---|
| Dividends paid | - | - | - | -77 |
|---|
| Net cash provided by (used in) financing activities | -11,407 | -22,198 | 9,939 | 25,619 |
|---|
| Effect of exchange rate change on cash and cash equivalents | -12 | 117 | -10 | 63 |
|---|
| Net increase (decrease) in cash and cash equivalents | -885 | 3,230 | 5,205 | -1,158 |
|---|
| Increase in cash and cash equivalents resulting from inclusion of subsidiaries in consolidation | 228 | - | 1 | - |
|---|
| Decrease in cash and cash equivalents resulting from exclusion of subsidiaries from consolidation | - | - | -9 | - |
|---|