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Stockholders' Deficit - Additional Information (Detail) |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jul. 10, 2022 USD ($) $ / shares shares | Jun. 13, 2022 shares | Jun. 10, 2022 USD ($) shares | Sep. 30, 2022 USD ($) Directors | Sep. 30, 2021 USD ($) Directors | Sep. 30, 2022 USD ($) Directors | Sep. 30, 2021 USD ($) Directors | Mar. 26, 2019 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Sale of stock, Number of shares issued in transaction | shares | 4,939,515 |  | 4,939,515 |  |  |  |  |
Class of warrant or right, Number of securities called by warrants or rights | shares | 4,939,515 |  | 4,939,515 |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  | $ 16,512,375 | $ 0 |
Offering costs paid on sale of common stock | $ | $ 1,800,000 |  | $ 1,800,000 |  |  |  |  |
Warrants, expiration beginning date | Dec. 10, 2022 |  |  |  |  |  |  |
Warrants, expiration date | Jun. 10, 2027 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares | $ 3.35 |  |  |  |  |  |  |
Purchase Price Of Warrant | $ / shares | $ 3.35 |  |  |  |  |  |  |
Share-based compensation expense | $ |  |  |  | $ 293,785 | $ 312,646 | $ 1,025,283 | $ 937,939 |
Number of outside directors granted quarterly fees | Directors |  |  |  | 0 | 0 | 0 | 0 |
Incentive Stock Options [Member] | 2019 Stock Incentive Plan [Member] |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares of common stock authorized for issuance | shares |  | 2,400,000 |  |  |  |  |  | 800,000
Increase in number of shares of common stock authorized for issuance | shares |  | 1,600,000 |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ | $ 14,700,000 |  |  |  |  |  |  |

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