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Stock Award Plans and Stock-based Compensation - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jan. 01, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Income tax benefit recognized   $ 0 $ 0 $ 0 $ 0
Number of stock options granted       1,700  
Stock award net share settled paid for withholding taxes   0 0 0 0
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation cost   $ 80,000   $ 80,000  
Weighted-average remaining contractual term       2 years 5 months 19 days  
Restricted Stock Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation cost   $ 1,767,200   $ 1,767,200  
Weighted-average remaining contractual term       1 year 8 months 1 day  
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   41,709   41,709  
Number of common shares reserved for issuance 274,789        
Percentage increase in number of shares of common stock reserved and available for issuance 4.00%