Summary of Significant Accounting Policies - Schedule of diluted and basic net loss per share are identical for all periods presented (Detail) - shares |
3 Months Ended | 6 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Mar. 31, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Anti Dilutive Shares [Line Items] | ||||
| Weighted Average Number of Shares Outstanding, Diluted, Adjustment | 5,000,786 | 5,859,673 | 4,982,673 | 5,023,286 |
| Preferred Stock [Member] | ||||
| Anti Dilutive Shares [Line Items] | ||||
| Weighted Average Number of Shares Outstanding, Diluted, Adjustment | 3,940,786 | 3,940,786 | 3,940,786 | 3,940,786 |
| Stock options [Member] | ||||
| Anti Dilutive Shares [Line Items] | ||||
| Weighted Average Number of Shares Outstanding, Diluted, Adjustment | 1,060,000 | 1,918,887 | 1,041,887 | 1,082,500 |