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