Summary of Significant Accounting Policies - Schedule of Net Loss Per Share (Details) - shares |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Summary of Significant Accounting Policies | ||
| Total (in shares) | 18,858,455 | 17,556,067 |
| Shares issuable upon exercise of options to purchase Class A Ordinary Shares | ||
| Summary of Significant Accounting Policies | ||
| Total (in shares) | 18,410,564 | 14,666,538 |
| Shares issuable upon exercise of Z33 Series Seed Preferred Shares Put Right | ||
| Summary of Significant Accounting Policies | ||
| Total (in shares) | 0 | 2,000,000 |
| Shares issuable upon vesting of restricted share units | ||
| Summary of Significant Accounting Policies | ||
| Total (in shares) | 322,892 | 639,532 |
| Restricted share awards | ||
| Summary of Significant Accounting Policies | ||
| Total (in shares) | 124,999 | 249,997 |