Stockholders' equity - Summary of the changes in the warrant liability (Detail) |
6 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
| |
| Stockholders' Equity Note [Abstract] | |
| Balance as of December 31, 2025 | $ 29,161 |
| Change in fair value of warrants | 2,030,240 |
| Exercise of warrants | (712,166) |
| Balance as of June 30, 2026 | $ 1,347,235 |