| Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Cash and cash equivalents | 230 | 63 | 76 | 442 | 964 | 1,008 | 790 | 450 |
|---|
| Restricted cash, current | - | - | - | - | - | - | - | 100 |
|---|
| Short-term investments | - | 200 | 200 | 745 | 445 | - | 16 | 330 |
|---|
| Accounts Receivable, after Allowance for Credit Loss, Current | - | 89,708 | 4 | 5 | 47 | 40 | 59 | 85 |
|---|
| Notes receivable | - | - | - | - | - | 9 | 6 | 4 |
|---|
| Inventory, Net | - | 3,822 | 6 | 13 | 19 | 32 | 45 | 40 |
|---|
| Prepayments and other current assets | 954,506 | 6 | 7 | 11 | 18 | 36 | 23 | 42 |
|---|
| Total current assets | 231 | 269 | 292 | 1,216 | 1,501 | 1,124 | 940 | 1,050 |
|---|
| Restricted Cash, Noncurrent | - | - | 1 | 1 | 1 | 1 | 1 | 1 |
|---|
| Long-term investments | 2 | 3 | 2 | 1 | 16 | 6 | 9 | 3 |
|---|
| Prepayments for equipment | 126,411 | 275,853 | 0 | 0 | 1 | 1 | 0 | 0 |
|---|
| Property and equipment, net | 12 | 20 | 21 | 29 | 43 | 58 | 54 | 48 |
|---|
| Operating lease right-of-use assets | - | - | 15 | 18 | 14 | 20 | 15 | 21 |
|---|
| Land use rights, net | - | - | 8 | 8 | 8 | 7 | 3 | 3 |
|---|
| Intangible assets, net | 20,089 | 321,566 | 1 | 2 | 2 | 2 | 13 | 56 |
|---|
| Long-term deposits | 306,825 | 556,738 | 0 | 1 | 1 | 1 | 1 | 1 |
|---|
| Value added tax recoverable | 5 | 8 | 14 | 22 | 24 | - | - | 1 |
|---|
| Total assets | 250 | 302 | 355 | 1,298 | 1,610 | 1,220 | 1,036 | 1,186 |
|---|
| Accounts payable | 9 | 37 | 23 | 63 | 126 | 66 | 113 | 101 |
|---|
| Current operating lease liabilities | - | - | 4 | 5 | 6 | 7 | 7 | 8 |
|---|
| Short-term debt | - | 4 | 6 | - | - | - | - | 132 |
|---|
| Other current liabilities | 3 | 8 | 13 | 30 | 61 | 67 | 83 | 59 |
|---|
| Total current liabilities | 12 | 49 | 47 | 98 | 193 | 140 | 203 | 299 |
|---|
| Deferred income | - | - | - | - | - | 21 | 29 | 31 |
|---|
| Operating Lease, Liability, Noncurrent | - | - | 11 | 13 | 10 | 13 | 8 | 14 |
|---|
| Other non-current liabilities | - | - | - | - | - | - | 0 | 0 |
|---|
| Total liabilities | 14 | 51 | 60 | 128 | 230 | 175 | 240 | 345 |
|---|
| Common Stock, Value, Issued | 2,995 | 3,481 | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Additional paid-in capital | 345 | 498 | 735 | 1,897 | 2,826 | 2,893 | 2,975 | 3,264 |
|---|
| Accumulated deficit | -110,551,613 | -249,626,508 | -445 | -714 | -1,418 | -1,861 | -2,196 | -2,453 |
|---|
| Accumulated other comprehensive income | 449,908 | 3 | 5 | -15 | -24 | 26 | 38 | 51 |
|---|
| Treasury stock (at cost, 4,912,200 shares as of both December 31, 2024 and 2023) | - | - | - | - | - | 12 | 21 | 21 |
|---|
| Total shareholders’ equity | 235 | 251 | 295 | 1,169 | 1,380 | 1,046 | 796 | 841 |
|---|
| Total liabilities and shareholders’ equity | 250 | 302 | 355 | 1,298 | 1,610 | 1,220 | 1,036 | 1,186 |
|---|