Subsequent Event - Additional Information (Detail) - Subsequent Event [Member] - $ / shares		2 Months Ended
	Oct. 13, 2020	Oct. 12, 2020
Subsequent Event [Line Items]
Continued listing standard, minimum average share price	$ 1.00	$ 0
Continued listing standard, minimum closing share price	1.00	0
Maximum [Member]
Subsequent Event [Line Items]
Common stock average closing price per share	$ 0	$ 1.00