Warrants - Warrants Activity Classified as Equity and Liability (Detail) - $ / shares	3 Months Ended			9 Months Ended	12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Warrants Outstanding, Ending Balance	1,065,137		1,220,194	1,065,137	1,220,194
Exercise price	$ 15.94	$ 15.94	$ 15.36	$ 15.94	$ 15.36
Weighted Average Remaining Contractual Life, Warrants Outstanding	4 years 18 days	4 years 3 months 18 days	4 years 2 months 26 days	4 years 18 days	4 years 2 months 26 days
Investor warrants $1.10
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Warrants Outstanding, Ending Balance	1,000,000			1,000,000
Exercise price	$ 16.50			$ 16.50
Weighted Average Remaining Contractual Life, Warrants Outstanding				4 years 2 months 15 days
Investor warrants at $0.40
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Warrants Outstanding, Ending Balance	10,227			10,227
Exercise price	$ 6.00			$ 6.00
Weighted Average Remaining Contractual Life, Warrants Outstanding				10 months 13 days
Placement agent warrants at $0.50
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Warrants Outstanding, Ending Balance	54,910			54,910
Exercise price	$ 7.50			$ 7.50
Weighted Average Remaining Contractual Life, Warrants Outstanding				1 year 8 months 19 days