Common Stock - Additional Information (Detail) - USD ($)		3 Months Ended	12 Months Ended
	Oct. 14, 2019	Mar. 31, 2020	Dec. 31, 2019	Mar. 15, 2020
Equity [Abstract]
Common stock, shares authorized		300,000,000	300,000,000
Common stock, par value		$ 0.0001	$ 0.0001
Dividends common stock declared or paid		$ 0
Warrants outstanding		600,000	917,562
Number of warrants issued to purchase common stock	600,000		317,562
Warrants exercise price per share	$ 0.486		$ 5.00
Warrants term			3 years
Warrants vesting period	6 months
Warrants expiration date		Oct. 24, 2024	Mar. 15, 2020
Number of warrants expired				317,562