Warrants - Warrants Activity (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
Number of Warrants Outstanding
Warrants outstanding	1,065,137		1,220,194	1,065,137	1,220,194
Number of Warrants Outstanding, Beginning Balance	1,065,137
Number of Warrants Outstanding, Ending Balance		1,065,137
Number of Warrants Outstanding, Beginning Balance		1,220,194	1,220,194	1,220,194
Number of Warrants, Warrants expired		(155,057)		155,057
Number of Warrants Outstanding, Ending Balance	1,065,137		1,220,194	1,065,137	1,220,194
Warrants, Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding Beginning Balance	$ 15.94	$ 15.36	$ 15.36	$ 15.36
Weighted Average Exercise Price, Outstanding Ending Balance	$ 15.94	$ 15.94	$ 15.36	$ 15.94	$ 15.36
Weighted Average Remaining Contractual Life
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
Equity based-warrants
Number of Warrants Outstanding
Warrants outstanding	100,000			100,000
Number of Warrants Outstanding, Ending Balance	100,000			100,000
Liability warrants
Number of Warrants Outstanding
Warrants outstanding	1,100,000			1,100,000
Number of Warrants Outstanding, Ending Balance	1,100,000			1,100,000