Stock-Based Compensation - Schedule of Stock Based Compensation Expense (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||||
| Stock based compensation expense | $ 251,274 | $ 34,570 | $ 290,915 | $ 55,534 | $ 124,847 | $ 96,013 |
| Research and development [Member] | ||||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||||
| Stock based compensation expense | 23,855 | 23,679 | 47,481 | 38,114 | 81,015 | 68,281 |
| General and administrative [Member] | ||||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||||
| Stock based compensation expense | $ 227,419 | $ 10,891 | $ 243,434 | $ 17,420 | $ 43,832 | $ 27,732 |