Common Stock and Warrants - Additional Information (Detail)			3 Months Ended		6 Months Ended
	Jun. 25, 2021 USD ($) Rate	Feb. 13, 2020 Customer $ / shares shares	Jun. 30, 2022 shares	Jun. 30, 2021 shares	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) shares
Class of Stock [Line Items]
Proceeds from exercise of warrants | $					$ 0	$ 7,288,275
Restricted Stock [Member]
Class of Stock [Line Items]
Number of shares, Vested			0	10	0	20
ATM Facility [Member]
Class of Stock [Line Items]
Number of shares offer and sell | $	$ 300,000
Percentage of gross proceeds from sales of common stock | Rate	3.00%
Proceeds from issuance of common stock | $	$ 15,000,000
Stock issued during period			0		0
Investor Warrants [Member]
Class of Stock [Line Items]
Warrants exercised					0	826,700
Proceeds from exercise of warrants | $						$ 7,288,300
Underwriter Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase common stock		230,373
Common stock warrants, exercise price per share | $ / shares		$ 7.00
Warrants maturity date		Feb. 13, 2025
Warrants exercised						162,575
February 2020 Offering [Member]
Class of Stock [Line Items]
Number of shares entitled to warrant holder | Customer		1
February 2020 Offering [Member] | Investor Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase common stock		2,143,000
Common stock warrants, exercise price per share | $ / shares		$ 7.50
Warrants maturity date		Feb. 13, 2025