Commitments and Contingencies - Summary of Other Information Related to Leases (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Cash paid for amounts included in the measurement of lease liabilities: | ||||
| Operating cash flows to operating leases | $ 15 | $ 13 | $ 30 | $ 85 |
| Right-of-use assets obtained in exchange for lease obligations: | ||||
| Weighted Average Remaining Lease Term Operating leases | 6 months 29 days | 1 year 6 months 29 days | 6 months 29 days | 1 year 6 months 29 days |
| Weighted Average Discount Rate Operating leases | 8.98% | 8.98% | 8.98% | 8.98% |