| Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Cash and deposits | - | 136 | 64 | 147 |
|---|
| Accounts receivable and contract assets | - | 636 | 245 | 401 |
|---|
| Inventories | - | 6 | 18 | 10 |
|---|
| Advance payments to suppliers | - | 7 | 17 | 2 |
|---|
| Prepaid expenses | - | 7 | 9 | 9 |
|---|
| Other | - | 0 | 16 | - |
|---|
| Current assets | - | 793 | 370 | 569 |
|---|
| Facilities attached to buildings | - | 9 | 15 | 19 |
|---|
| Accumulated depreciation | - | -1 | -2 | -3 |
|---|
| Facilities attached to buildings, net | - | 8 | 13 | 16 |
|---|
| Tools, furniture and fixtures | - | 15 | 24 | 29 |
|---|
| Accumulated depreciation | - | -8 | -15 | -17 |
|---|
| Tools, furniture and fixtures, net | - | 7 | 10 | 11 |
|---|
| Leased assets | - | 4 | 4 | 4 |
|---|
| Accumulated depreciation | - | -4 | -3 | -2 |
|---|
| Leased assets, net | - | 0 | 1 | 1 |
|---|
| Property, plant and equipment | - | 16 | 23 | 28 |
|---|
| Goodwill | - | - | 82 | 63 |
|---|
| Software | - | 164 | 103 | 69 |
|---|
| Software in progress | - | 54 | 2 | 21 |
|---|
| Intangible assets | - | 218 | 188 | 154 |
|---|
| Long-term prepaid expenses | - | 0 | 0 | 0 |
|---|
| Other | - | 12 | 25 | 24 |
|---|
| Investments and other assets | - | 25 | 26 | 24 |
|---|
| Non-current assets | - | 258 | 237 | 206 |
|---|
| Assets | - | 1,051 | 607 | 776 |
|---|
| Accounts payable - trade | - | 130 | 28 | 31 |
|---|
| Short-term borrowings | - | 150 | 116 | 300 |
|---|
| Current portion of long-term borrowings | - | - | 2 | 2 |
|---|
| Lease liabilities | - | 1 | 1 | 0 |
|---|
| Accounts payable - other | - | 63 | 78 | 26 |
|---|
| Accrued expenses | - | 10 | 16 | 20 |
|---|
| Income taxes payable | - | 4 | - | 6 |
|---|
| Advances received | - | 6 | 48 | - |
|---|
| Unearned revenue | - | 21 | 17 | 8 |
|---|
| Deposits received | - | 3 | 4 | 4 |
|---|
| Provision for bonuses | - | - | - | 16 |
|---|
| Provision for bonuses for directors (and other officers) | - | - | - | 2 |
|---|
| Provision for product warranties | - | 0 | 0 | 1 |
|---|
| Other | - | 0 | - | 37 |
|---|
| Current liabilities | - | 388 | 309 | 452 |
|---|
| Long-term borrowings | - | - | 12 | 10 |
|---|
| Lease liabilities | - | 0 | 1 | 1 |
|---|
| Non-current liabilities | - | 0 | 13 | 11 |
|---|
| Liabilities | - | 388 | 322 | 463 |
|---|
| Share capital | - | 546 | 546 | 546 |
|---|
| Other capital surplus | - | - | 117 | 117 |
|---|
| Capital surplus | - | 460 | 117 | 117 |
|---|
| Retained earnings brought forward | - | -343 | -287 | -260 |
|---|
| Retained earnings | - | -343 | -287 | -260 |
|---|
| Treasury shares | - | - | -91 | -91 |
|---|
| Shareholders' equity | - | 663 | 285 | 312 |
|---|
| Share acquisition rights | - | - | - | 1 |
|---|
| Net assets | 696 | 663 | 285 | 312 |
|---|
| Liabilities and net assets | - | 1,051 | 607 | 776 |
|---|