Stockholders' Equity - Common Stock - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Jan. 31, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Nov. 30, 2017
Sale Of Common Stock [Line Items]
Common stock, shares issued		32,371,954		26,621,954
Proceeds from issuance of common stock, net of cost of $1,304,846		$ 13,070,154
Common stock, value of shares issuable					$ 16,000,000
Proceeds from issuance of common stock, net		$ 13,070,154
Options Granted [Member]
Sale Of Common Stock [Line Items]
Number of stock options granted		1,315,000	875,000
Options Granted [Member] | Gimoti [Member]
Sale Of Common Stock [Line Items]
Percentage of options began vesting			50.00%
Public Offering [Member]
Sale Of Common Stock [Line Items]
Common stock, shares issued	5,750,000
Shares issued, price per share	$ 2.50
Proceeds from issuance of common stock, net of cost of $1,304,846	$ 14,400,000
Proceeds from issuance of common stock net of underwriting discounts and commissions and offering expenses	13,100,000
Proceeds from issuance of common stock, net	$ 14,400,000
FBR Sales Agreement [Member]
Sale Of Common Stock [Line Items]
Common stock, shares issued			0
FBR Sales Agreement [Member] | Maximum [Member]
Sale Of Common Stock [Line Items]
Proceeds from issuance of common stock, net of cost of $1,304,846				$ 30,000,000
Proceeds from issuance of common stock, net				$ 30,000,000
At The Market Offerings
Sale Of Common Stock [Line Items]
Common stock, shares issued		0