Summary of Significant Accounting Policies - Net Loss Per Share (Details) - shares |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Summary of Significant Accounting Policies | ||
| Total | 17,556,067 | 26,292,385 |
| Shares issuable upon exercise of options to purchase Class A Ordinary Shares | ||
| Summary of Significant Accounting Policies | ||
| Total | 14,666,538 | 9,975,424 |
| Shares issuable upon exercise of Z33 Put Right | ||
| Summary of Significant Accounting Policies | ||
| Total | 2,000,000 | 2,000,000 |
| Shares issuable upon vesting of restricted share units | ||
| Summary of Significant Accounting Policies | ||
| Total | 639,532 | 1,131,970 |
| Restricted share awards | ||
| Summary of Significant Accounting Policies | ||
| Total | 249,997 | 374,995 |
| Shares issuable upon exercise of the Warrants to purchase Class A Ordinary Shares | ||
| Summary of Significant Accounting Policies | ||
| Total | 12,809,996 | |