Summary of Significant Accounting Policies - Schedule of assets measured at fair value on a recurring basis (Detail) - Money Market Funds [Member] - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| Level 1 [Member] | |||
| Fair Value Assets Measured On Recurring Basis [Line Items] | |||
| Money market account | $ 11,621,051 | $ 15,366,611 | $ 24,498,933 |
| Level 2 [Member] | |||
| Fair Value Assets Measured On Recurring Basis [Line Items] | |||
| Money market account | 0 | 0 | 0 |
| Level 3 [Member] | |||
| Fair Value Assets Measured On Recurring Basis [Line Items] | |||
| Money market account | $ 0 | $ 0 | $ 0 |