| Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Cash and deposits | - | 518 | 590 | 1,293 | 801 | 962 | 941 |
|---|
| Accounts receivable - trade | - | 58 | 75 | 90 | 113 | 117 | 95 |
|---|
| Work in process | - | - | 2 | 0 | - | - | 0 |
|---|
| Income taxes refund receivable | - | 2 | 6 | - | - | - | 15 |
|---|
| Prepaid expenses | - | 12 | 13 | 17 | 29 | 14 | 19 |
|---|
| Other | - | 2 | 4 | 3 | 2 | 2 | 6 |
|---|
| Current assets | - | 592 | 695 | 1,403 | 945 | 1,094 | 1,078 |
|---|
| Buildings | - | 9 | 8 | 9 | 9 | 9 | 9 |
|---|
| Accumulated depreciation | - | -2 | -2 | -3 | -3 | -4 | -5 |
|---|
| Buildings, net | - | 7 | 5 | 6 | 6 | 6 | - |
|---|
| Tools, furniture and fixtures | - | 11 | 18 | 22 | 25 | 30 | 37 |
|---|
| Accumulated depreciation | - | -8 | -11 | -16 | -20 | -24 | -29 |
|---|
| Tools, furniture and fixtures, net | - | 3 | 7 | 6 | 5 | 6 | 4 |
|---|
| Property, plant and equipment | - | 10 | 12 | 12 | 11 | 11 | 4 |
|---|
| Software | - | 15 | 11 | 17 | 388 | 350 | 103 |
|---|
| Software in progress | - | - | 139 | 296 | - | 6 | - |
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| Other | - | - | - | 1 | 1 | 1 | - |
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| Intangible assets | - | 15 | 150 | 314 | 390 | 356 | 103 |
|---|
| Investment securities | - | 1 | 3 | 22 | 29 | 59 | 76 |
|---|
| Leasehold and guarantee deposits | - | 1 | 1 | 8 | 7 | 7 | 7 |
|---|
| Long-term prepaid expenses | - | - | - | - | - | 1 | 19 |
|---|
| Deferred tax assets | - | - | 33 | 64 | 35 | 5 | - |
|---|
| Other | - | 0 | 0 | 0 | 0 | 21 | 20 |
|---|
| Allowance for doubtful accounts | - | - | - | - | - | -20 | -20 |
|---|
| Investments and other assets | - | 13 | 38 | 94 | 72 | 73 | 102 |
|---|
| Non-current assets | - | 38 | 199 | 420 | 473 | 440 | 209 |
|---|
| Assets | - | 630 | 895 | 1,823 | 1,417 | 1,534 | 1,287 |
|---|
| Accounts payable - trade | - | 20 | 17 | 14 | 28 | 25 | 32 |
|---|
| Current portion of long-term borrowings | - | 21 | 20 | 189 | 4 | 2 | 14 |
|---|
| Accounts payable - other | - | 23 | 74 | 88 | 40 | 54 | 45 |
|---|
| Income taxes payable | - | 3 | 0 | 24 | 19 | 23 | 3 |
|---|
| Contract liabilities | - | - | - | - | - | 9 | 9 |
|---|
| Accrued consumption taxes | - | 9 | - | 13 | 26 | 27 | - |
|---|
| Provision for bonuses | - | 6 | 7 | 12 | 12 | 9 | 14 |
|---|
| Other | - | 9 | 9 | 13 | 15 | 12 | 16 |
|---|
| Current liabilities | - | 93 | 157 | 383 | 142 | 161 | 131 |
|---|
| Long-term borrowings | - | 158 | 138 | 216 | 2 | - | 82 |
|---|
| Deferred tax liabilities | - | - | - | - | - | - | 1 |
|---|
| Non-current liabilities | - | 158 | 243 | 291 | 2 | - | 83 |
|---|
| Liabilities | - | 251 | 400 | 674 | 144 | 161 | 214 |
|---|
| Share capital | - | 373 | 100 | 362 | 365 | 366 | 376 |
|---|
| Legal capital surplus | - | 370 | 276 | 539 | 541 | 542 | 552 |
|---|
| Capital surplus | - | 370 | 276 | 539 | 541 | 542 | 552 |
|---|
| Retained earnings brought forward | - | -367 | 114 | 245 | 365 | 465 | 144 |
|---|
| Retained earnings | - | -367 | 114 | 245 | 365 | 465 | 144 |
|---|
| Shareholders' equity | - | 376 | 491 | 1,146 | 1,270 | 1,372 | 1,073 |
|---|
| Valuation difference on available-for-sale securities | - | -1 | 0 | -1 | 0 | 1 | -0 |
|---|
| Valuation and translation adjustments | - | -1 | 0 | -1 | 0 | 1 | -0 |
|---|
| Net assets | 296 | 379 | 494 | 1,148 | 1,273 | 1,373 | 1,073 |
|---|
| Liabilities and net assets | - | 630 | 895 | 1,823 | 1,417 | 1,534 | 1,287 |
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