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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Amount of noncash expense for share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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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