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Stockholders' Equity - Additional Information (Detail) - USD ($)		3 Months Ended
	Mar. 23, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Class Of Stock [Line Items]
Recognized compensation expense of stock options		$ 3,400	$ 3,500
Remaining unrecognized compensation cost		14,800
Aggregate intrinsic value of outstanding common stock options		0		$ 0
Maxim Holdings LLC [Member]
Class Of Stock [Line Items]
Recognized compensation expense of stock options		$ 125,450
Common stock sold	186,000