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Stockholders' Equity - Additional Information (Detail) |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Jun. 05, 2025 USD ($) $ / shares shares | Dec. 17, 2024 USD ($) $ / shares shares | Aug. 15, 2023 USD ($) shares | Sep. 27, 2022 USD ($) $ / shares shares | Apr. 06, 2022 USD ($) $ / shares shares | Oct. 18, 2021 USD ($) PrivatePlacement $ / shares shares | Oct. 05, 2021 USD ($) $ / shares shares | May 31, 2025 shares | Feb. 29, 2024 shares | Jun. 30, 2023 USD ($) | May 31, 2022 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2025 USD ($) | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) shares
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock remain outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  | 128,215,113 |  | 93,602,631
Stock issuance cost | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 809,000 | $ 0 |
Share based compensation options grants in the period |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,997,550 |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,010,000 |  |
Performance-Based Vesting Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation options grants in the period |  |  |  |  |  |  |  |  | 832,250 |  |  |  |  |  |  |
PSOs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation options vested (in shares) |  |  |  |  |  |  |  | 642,160 |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  |  | 9,852,138 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period |  |  |  |  |  |  | 2,373,201 |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  |  | 4,746,402 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price per share of warrants | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] | Common Stock and Accompanying Common Stock Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  |  |  |  |  |  | 1.62 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] | Pre-funded Warrant and Accompanying Common Stock Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  |  |  |  |  |  | $ 1.619 |  |  |  |  |  |  |  |  |
Proceeds from sale of common stock and warrants under public and private placements, net of issuance costs | $ |  |  |  |  |  |  | $ 11,800,000 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] | Common Stock Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  |  | 7,299,270 |  |  |  |  |  |  |  |  |
Exercise price per share of warrants | $ / shares |  |  |  |  |  |  | $ 1.37 |  |  |  |  |  |  |  |  |
Warrants expiration date |  |  |  |  |  |  | Apr. 05, 2025 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Investor [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  |  | 7,299,270 |  |  |  |  |  |  |  |  |
Warrants expiration date |  |  |  |  |  |  | Oct. 05, 2028 |  |  |  |  |  |  |  |  |
Private Placement [Member] | New Enterprise Associates 16, L.P [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  | 3,703,704 |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common stock and warrants under public and private placements, net of issuance costs | $ |  |  |  |  |  | $ 13,700,000 |  |  |  |  |  |  |  |  |  |
Number of private placements | PrivatePlacement |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Stock issuance cost | $ |  |  |  |  |  | $ 1,100,000 |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | New Enterprise Associates 16, L.P [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period |  |  |  |  |  | 1,851,852 |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | New Enterprise Associates 16, L.P [Member] | Common Stock and Accompanying Common Stock Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock warrants exercise price and expiration date description |  |  |  |  |  |  |  |  |  |  |  |  |  | The accompanying common stock warrants have an exercise price of $1.37 per share and became exercisable immediately upon issuance. Of the accompanying common stock warrants, warrants to purchase an aggregate of 1,851,852 shares of the Company’s common stock were scheduled to expire on April 18, 2025, and warrants to purchase an aggregate of 1,851,852 shares of the Company’s common stock will expire on October 18, 2028. On April 17, 2025, NEA exercised all of the warrants that would have expired on April 18, 2025. None of the accompanying common stock warrants issued to NEA in the private placement that expire on October 18, 2028 have been exercised. |  |
Combined price of each shares | $ / shares |  |  |  |  |  | $ 1.62 |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common stock and warrants under public and private placements, net of issuance costs | $ |  |  |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | New Enterprise Associates 16, L.P [Member] | Common Stock Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  | 1,851,852 |  |  |  |  |  |  |  |  |  |
Exercise price per share of warrants | $ / shares |  |  |  |  |  | $ 1.37 |  |  |  |  |  |  |  |  |  |
Warrants expiration date |  |  |  |  |  | Apr. 18, 2025 |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | New Enterprise Associates 16, L.P [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  | 1,851,852 |  |  |  |  |  |  |  |  |  |
Warrants expiration date |  |  |  |  |  | Oct. 18, 2028 |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | Securities Purchase Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period |  |  |  |  | 4,580,526 |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  |  |  |  | $ 1.90 |  |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | Securities Purchase Agreement [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  |  |  |  | $ 1.899 |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common stock and warrants under public and private placements, net of issuance costs | $ |  |  |  |  | $ 55,000,000 |  |  |  |  |  |  |  |  |  |  |
Exercise price per share of warrants | $ / shares |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
September 2022 Offering [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock remain outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,717,616 |  |
September 2022 Offering [Member] | Underwriting Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common stock and warrants under public and private placements, net of issuance costs | $ |  |  |  | $ 58,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants initial closing date |  |  |  | Sep. 27, 2022 |  |  |  |  |  |  |  |  |  |  |  |
September 2022 Offering [Member] | Underwriting Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period |  |  |  | 14,252,670 |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  |  |  | $ 1.93 |  |  |  |  |  |  |  |  |  |  |  |
Exercise price per share of warrants | $ / shares |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |
September 2022 Offering [Member] | Underwriting Agreement [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  | 14,247,330 |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  |  |  | $ 1.929 |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase additional shares |  |  |  | 1,600,428 |  |  |  |  |  |  |  |  |  |  |  |
December 2024 Offering [Member] | Underwriting Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common stock and warrants under public and private placements, net of issuance costs | $ |  | $ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 2024 Offering [Member] | Underwriting Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period |  | 12,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares |  | $ 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 2025 Offering [Member] | Underwriting Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from issuance of underwritten offering | $ | $ 115,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 2025 Offering [Member] | Underwriting Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock during the period | 17,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price of each shares | $ / shares | $ 5.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
April 2022 Private Placement [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock remain outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,531,332 |  |
Maximum [Member] | Private Placement [Member] | Investor [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  |  |  | 4,926,069 |  |  |  |  |  |  |  |  |
Maximum [Member] | Private Placement [Member] | Securities Purchase Agreement [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  |  | 24,379,673 |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | September 2022 Offering [Member] | Underwriting Agreement [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock |  |  |  | 4,275,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | June 2025 Offering [Member] | Underwriting Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of common stock | 2,610,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2020 ATM Sales Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price of common stock which may issue and sell under agreement | $ |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 | $ 12,000,000 | $ 62,000,000 |  |  |
Sale of stock during the period |  |  | 4,333,394 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ |  |  | $ 12,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated commissions and allocated fees | $ |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, preferred stock, debt securities, units and or warrants | $ |  |  |  |  |  |  |  |  |  | $ 200,000,000 |  |  |  |  |  |
2023 ATM Sales Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price of common stock which may issue and sell under agreement | $ |  |  |  |  |  |  |  |  |  | $ 75,000,000 |  |  |  |  |  |
Sale of stock during the period |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 4,498,065
Proceeds from issuance of common stock | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,600,000
Estimated commissions and allocated fees | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000

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