Related Party Transactions - Additional Information (Detail) - USD ($)	1 Months Ended
	Jun. 30, 2020	Feb. 29, 2020
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Common stock shares issued		13,037
Issuance of common stock public offering price		$ 10,000,000
Chief Executive Officer [Member] \| Indemnification Agreement [Member]
Related Party Transaction [Line Items]
Interim term	90 days
One-time fee	$ 972,361
Percentage of further discounted on market-based premium for market quote	50.00%
Chief Executive Officer [Member] \| Indemnification Agreement [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Liability insurance policy with an aggregate coverage limit	$ 100,000,000
Board of Directors [Member]
Related Party Transaction [Line Items]
Common stock shares issued		1,250
Issuance of common stock public offering price		$ 1,000,000
Directors' and Officers' [Member] \| Indemnification Agreement [Member]
Related Party Transaction [Line Items]
Liability insurance policy with an aggregate coverage limit	$ 100,000,000