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Stockholders' Equity - Common Stock - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 13, 2024 | May 08, 2024 | Dec. 31, 2024 | Oct. 12, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024 | Jan. 26, 2024 | Jul. 25, 2022 | Mar. 31, 2021 | Jan. 29, 2021
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net |  |  |  |  | $ 5,662,000 | $ 1,173,000 |  |  |  |  |
Number of shares subject to outstanding |  |  | 1,769,703 |  | 1,769,703 |  | 698,007 |  |  |  |
Common Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock from stock options exercises, net, Shares |  | 5,000,000 |  |  |  |  |  |  |  |  |
Issuance of warrants |  | 1,562,500 |  |  |  |  |  |  |  |  |
Excercise price per share |  | $ 0.8 |  |  |  |  |  |  |  |  |
Warrants exercise price per share |  | $ 0.8 | $ 0.8 |  | $ 0.8 |  | $ 0 |  |  |  |
Warrant expiration period |  | 5 years |  |  |  |  |  |  |  |  |
Pre-Funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Excercise price per share |  | $ 0.799 |  |  |  |  |  |  |  |  |
Warrants exercise price per share |  | $ 0.001 | $ 0.001 |  | $ 0.001 |  | $ 0 |  |  |  |
2021 Inducement Equity Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares authorized to be issued |  |  |  |  |  |  |  |  |  | 750,000 |
Equity Incentive Plan 2022 [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares authorized to be issued |  |  |  | 1,363,000 |  |  |  |  | 750,000 |  |
Excercise price per share |  |  |  | $ 2.75 |  |  |  |  |  |  |
Equity Incentive Plan 2022 [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares authorized to be issued |  |  |  | 50,000 |  |  |  |  |  |  |
Equity Incentive Plan 2012 [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares authorized to be issued |  |  |  | 1,236,738 |  |  |  |  |  |  |
Common stock shares issued |  |  |  | 126,262 |  |  |  |  |  |  |
2022 Inducement Equity Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares authorized to be issued |  |  | 1,000 | 1,000 | 1,000 |  |  |  |  |  |
Maximum [Member] | Equity Incentive Plan 2022 [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares authorized to be issued |  |  |  | 51,000 |  |  |  |  |  |  |
2018 Sales Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity sales agreement expiration date |  |  |  |  | Jan. 29, 2024 |  |  |  |  |  |
2024 Shelf [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Securities authorized for offer and sale, amount |  |  |  |  |  |  |  | $ 150,000,000 |  |  |
Common stock value reserved for future issuance |  |  | $ 100,000,000 |  | $ 100,000,000 |  |  |  |  |  |
IPO [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Securities authorized for offer and sale, amount |  |  | $ 150,000,000 |  | $ 150,000,000 |  |  |  |  |  |
Issuance of common stock from stock options exercises, net, Shares |  | 1,562,500 |  |  |  |  |  |  |  |  |
Initial offering date |  | May 8, 2024 |  |  |  |  |  |  |  |  |
Net proceeds from issuance of offerings | $ 4,500,000 |  |  |  |  |  |  |  |  |  |
IPO [Member] | JonesTrading Institutional Services LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash fee percentage of aggregate gross proceeds raised in offering |  | 5.00% |  |  |  |  |  |  |  |  |
IPO [Member] | Common Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock from stock options exercises, net, Shares |  | 5,000,000 |  |  |  |  |  |  |  |  |
IPO [Member] | Maximum [Member] | Common Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of warrants |  | 5,000,000 |  |  |  |  |  |  |  |  |
At-The-Market Facility [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock from stock options exercises, net, Shares |  |  | 52,628 |  | 1,405,228 |  |  |  |  |  |
Net proceeds from issuance of offerings |  |  |  |  | $ 1,700,000 |  |  |  |  |  |
At-The-Market Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net |  |  | $ 100,000 |  |  |  |  |  |  |  |
At-The-Market Facility [Member] | ATM Prospectus Supplement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock value reserved for future issuance |  |  |  |  |  |  |  |  |  |  | $ 50,000,000
At-The-Market Facility [Member] | 2024 ATM Prospectus [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock value reserved for future issuance |  |  | $ 800,000 |  | $ 800,000 |  |  |  |  |  |
Issuance of common stock from stock options exercises, net, Shares |  |  |  |  | 1,441,630 |  |  |  |  |  |
Value of shares sold under equity distribution agreement |  |  |  |  | $ 1,800,000 |  |  |  |  |  |
Value of shares sold under equity distribution agreement, net |  |  |  |  | 1,800,000 |  |  |  |  |  |
At-The-Market Facility [Member] | 2024 ATM Prospectus [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock value reserved for future issuance |  |  |  |  |  |  |  | $ 2,605,728 |  |  |
At-The-Market Facility [Member] | 2024 Shelf [Member] |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net |  |  |  |  | $ 1,700,000 |  |  |  |  |  |

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