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Stockholders' Equity - Additional Information (Details) - USD ($) |  |  |  |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 17, 2021 | May 14, 2021 | Mar. 31, 2021 | Sep. 11, 2020 | Mar. 24, 2020 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Common stock, shares authorized |  |  |  |  |  | 90,000,000 |  |  |  | 90,000,000 |  | 90,000,000
Common Stock, Par or Stated Value Per Share |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001 |  | $ 0.0001
Preferred Stock, Shares Authorized |  |  |  |  |  | 6,000,000 |  |  |  | 6,000,000 |  | 6,000,000
Preferred Stock, Par or Stated Value Per Share |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001 |  | $ 0.0001
Stock-based compensation |  |  |  |  |  | $ 637,355 | $ 656,913 | $ 633,146 | $ 583,865 | $ 1,294,268 | $ 1,217,011 |
Aggregate number of shares issued including over-allotment option (in shares) |  |  |  |  | 2,675,293 |  |  |  |  |  |  |
Net Proceeds From Issuance Of Common Stock |  |  |  |  | $ 5,300,000 |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  | 1,294,268 | 1,217,011 |
Unrecognized stock - based compensation expense |  |  |  |  |  | 5,796,853 |  |  |  | $ 5,796,853 |  |
Weighted average period of recognition |  |  |  |  |  |  |  |  |  | 2 years 2 months 12 days |  |
Proceeds from Stock Options Exercised |  |  |  |  |  |  |  |  |  | $ 130,090 |  |
Proceeds from exercise of stock warrants |  |  |  |  |  |  |  |  |  | 2,103,991 | 376,421 |
Directors And Executive Officers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Units issued price per unit |  |  |  |  | $ 2.42625 |  |  |  |  |  |  |
Research and Development Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  | 319,497 |  | 348,447 |  | 649,210 | 655,856 |
General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  | $ 317,858 |  | $ 284,699 |  | 645,058 | $ 561,155 |
Restricted stock units |  |  |  |  |  |  |  |  |  |  |  |
Share based Compensation Arrangement by Share based Payment Award Options Grants in Period Grant Date Fair Value |  |  |  |  |  |  |  |  |  | 156,200 |  |
Warrants |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from exercise of stock warrants |  |  |  |  |  |  |  |  |  | $ 2,103,991 |  |
Warrants for purchase of common stock |  |  |  |  |  | 877,014 |  |  |  | 877,014 |  |
Class A Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of shares issued including over-allotment option (in shares) |  |  |  |  | 1,337,659 |  |  |  |  |  |  |
Shares Issued, Price Per Share |  |  |  |  | $ 2.058 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 2.27 |  |  |  |  |  |  |
Class B Warrants [Member ] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of shares issued including over-allotment option (in shares) |  |  |  |  | 2,006,495 |  |  |  |  |  |  |
Shares Issued, Price Per Share |  |  |  |  | $ 2.4696 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 2.724 |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |  |  |  |  |  | $ 3.48 |  | $ 2.13 |  | $ 4.33 | $ 2.17 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 13,675 |  |  |  |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 |  |  |
IPO [Member] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of shares issued including over-allotment option (in shares) |  |  |  |  | 6,000,000.0 |  |  |  |  |  |  |
Units issued price per unit |  |  |  |  | $ 2.21425 |  |  |  |  |  |  |
IPO [Member] | Class A Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 0.5 |  |  |  |  |  |  |
Warrant to purchase common stock in period |  |  |  |  | 1 year |  |  |  |  |  |  |
IPO [Member] | Class B Warrants [Member ] |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 0.75 |  |  |  |  |  |  |
Warrant to purchase common stock in period |  |  |  |  | 5 years |  |  |  |  |  |  |
At Market Offering | Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |
Aggregate offering price |  | $ 30,000,000 |  |  |  |  |  |  |  |  |  |
Percentage on gross sale |  | 3.00% |  |  |  |  |  |  |  |  |  |
Minimum | Warrants |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  | 2.058 |  |  |  | 2.058 |  |
Maximum | Warrants |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  | 2.4696 |  |  |  | 2.4696 |  |
Omnibus Stock Incentive Plan 2018 [Member] | Restricted stock units |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares |  |  | 1 | 1 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  | 44,951 | 44,951 |  |  |  |  |  |  |  |
Warrants at exercise price of $2.4696 |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  | 2.4696 |  |  |  | 2.4696 |  |
Warrants at exercise price of $2.7600 |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  | $ 4.7600 |  |  |  | $ 4.7600 |  |

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