Stock Options and Restricted Stock - Summary of Activity for Unvested Options Outstanding (Detail) - $ / shares	3 Months Ended			12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Number of options beginning balance	529,228	529,593	790,765
Number of options, granted	0	0	0	317,398
Number of options, cancelled	(161)	(365)	(4,200)
Number of options, vested			(256,972)
Number of options ending balance	529,067	529,228	529,593	790,765
Exercise price per share beginning balance, Lower limit	$ 4.89	$ 4.89	$ 4.89
Exercise price per share beginning balance, Upper limit	7.25	7.25	7.25
Exercise price per share, Cancelled, Lower limit	4.89	4.89	4.89
Exercise price per share, Cancelled, Upper limit	7.25		7.25
Exercise price per share, Vested, Lower limit			4.89
Exercise price per share, Vested, Upper limit		7.25	7.25
Exercise price per share ending balance, Lower limit	4.89	4.89	4.89	$ 4.89
Exercise price per share ending balance, Upper limit	7.25	7.25	7.25	7.25
Weighted average exercise price	6.52	6.52	6.52
Weighted average exercise price, cancelled	5.39	5.78	5.48
Weighted average exercise price, vested			6.55
Weighted average exercise price	$ 6.25	$ 6.52	$ 6.52	$ 6.52