Subsequent Events - Additional Information (Detail) - USD ($)		1 Months Ended
	Aug. 01, 2022	Jul. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Subsequent Event [Line Items]
Shares value			$ 698	$ 687
Subsequent Event [Member] | Keystone [Member]
Subsequent Event [Line Items]
Beneficial ownership limitation		4.99%
Subsequent Event [Member] | Common Stock Purchase Agreement [Member]
Subsequent Event [Line Items]
Shares value	$ 2,300,000
Subsequent Event [Member] | Common Stock Purchase Agreement [Member] | Keystone [Member]
Subsequent Event [Line Items]
Percentage increase in number of shares of common stock reserved and available for issuance	10.00%	10.00%
Share issued		50,000
Percentage of outstanding shares purchased		19.99%
Expenses incurred in conjunction with the transaction		$ 20,000
Subsequent Event [Member] | Maximum | Common Stock Purchase Agreement [Member] | Keystone [Member]
Subsequent Event [Line Items]
Aggregate size of facility maximum amount		$ 5,000,000
Shares value	$ 5,000,000.0
Subsequent Event [Member] | Minimum
Subsequent Event [Line Items]
Shares value	$ 2,300,000
Subsequent Event [Member] | Minimum | Keystone [Member]
Subsequent Event [Line Items]
Price per share		$ 0.50
Subsequent Event [Member] | Minimum | Common Stock Purchase Agreement [Member] | Keystone [Member]
Subsequent Event [Line Items]
Committed to purchase	1,399,348	1,399,348