| Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Cash and deposits | - | 16,885 | 19,746 | 26,522 |
|---|
| Accounts receivable - trade | - | 495 | 495 | 511 |
|---|
| Beneficial interests in trust | - | 20 | 22 | 2 |
|---|
| Merchandise | - | 21 | 44 | 5 |
|---|
| Work in process | - | - | 10 | - |
|---|
| Supplies | - | - | - | 13 |
|---|
| Advance payments to suppliers | - | 118 | 33 | 2 |
|---|
| Prepaid expenses | - | 41 | 40 | 55 |
|---|
| Other | - | 7 | 16 | 106 |
|---|
| Current assets | - | 17,586 | 20,407 | 27,217 |
|---|
| Buildings, net | - | 5 | 10 | 8 |
|---|
| Tools, furniture and fixtures, net | - | 12 | 21 | 26 |
|---|
| Other, net | - | - | - | - |
|---|
| Property, plant and equipment | - | 17 | 30 | 34 |
|---|
| Software | - | 345 | 588 | 644 |
|---|
| Software in progress | - | 113 | 148 | 70 |
|---|
| Goodwill | - | 28 | 20 | 12 |
|---|
| Intangible assets | - | 486 | 756 | 726 |
|---|
| Intangible assets | - | 486 | 756 | 726 |
|---|
| Investment securities | - | 220 | 251 | 251 |
|---|
| Leasehold and guarantee deposits | - | 197 | 132 | 126 |
|---|
| Long-term prepaid expenses | - | 5 | 2 | 0 |
|---|
| Leasehold and guarantee deposits | - | 197 | 132 | 126 |
|---|
| Deferred tax assets | - | 1 | 1 | 1 |
|---|
| Investments and other assets | - | 423 | 386 | 379 |
|---|
| Investments and other assets | - | 423 | 386 | 379 |
|---|
| Non-current assets | - | 926 | 1,172 | 1,139 |
|---|
| Assets | - | 18,512 | 21,579 | 28,356 |
|---|
| Accounts payable - trade | - | 225 | 224 | 105 |
|---|
| Accounts payable - other | - | 159 | 216 | 172 |
|---|
| Accrued expenses | - | 85 | 124 | 129 |
|---|
| Income taxes payable | - | 58 | 43 | 48 |
|---|
| Accrued consumption taxes | - | 29 | 86 | 99 |
|---|
| Contract liabilities | - | 48 | 4 | 1 |
|---|
| Deposits received | - | 10,899 | 14,420 | 20,733 |
|---|
| Current liabilities | - | 11,503 | 15,116 | 21,288 |
|---|
| Liabilities | - | 11,503 | 15,116 | 21,288 |
|---|
| Share capital | - | 3,984 | 3,984 | 4,451 |
|---|
| Capital surplus | - | 7,220 | 7,220 | 7,687 |
|---|
| Capital surplus | - | 7,220 | 7,220 | 7,687 |
|---|
| Retained earnings | - | -4,220 | -4,793 | -5,140 |
|---|
| Retained earnings | - | -4,220 | -4,793 | -5,140 |
|---|
| Shareholders' equity | - | 6,984 | 6,411 | 6,998 |
|---|
| Net assets | 2,279 | 7,009 | 6,463 | 7,067 |
|---|
| Foreign currency translation adjustment | - | 25 | 51 | 70 |
|---|
| Valuation and translation adjustments | - | 25 | 51 | 70 |
|---|
| Net assets | 2,279 | 7,009 | 6,463 | 7,067 |
|---|
| Liabilities and net assets | - | 18,512 | 21,579 | 28,356 |
|---|