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Net Loss per Share - Additional Information (Detail) - $ / shares | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2021 | Jun. 30, 2021
Common Stock $0.001 Par Value |  |  |
Number of shares sold | 6,340,771 | 11,500,000 | 11,500,000
Pre-Funded Warrants |  |  |
Warrants to purchase shares of common stock | 2,548,117 |  |
Warrants exercise price per share | $ 9.00 |  |
Warrants exercise price per share paid at closing of offering | $ 8.99 |  |

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