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Stock Award Plans and Stock-based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock award net share settled paid for withholding taxes	0	0	0	16,744
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 9,200		$ 9,200
Weighted-average remaining contractual term			9 months 14 days
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 2,511,100		$ 2,511,100
Weighted-average remaining contractual term			2 years 6 months
2018 Stock Option and Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future grant	491,770		491,770
Number of common shares reserved for issuance	1,085,401		1,085,401
Percentage increase in number of shares of common stock reserved and available for issuance			4.00%

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