Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail)

v3.22.2.2
Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2022
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options $ 255,253   $ 255,253
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition     2 years 9 months 18 days
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted     300,000
Exercise price per share of shares granted     $ 1.27
2013 Equity Incentive Plan [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted 0 0  
2013 Equity Incentive Plan [Member] | Employee Stock Option [Member] | Chief Executive Officer [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted     300,000
Exercise price per share of shares granted     $ 1.27
Share-based compensation arrangement by share-based payment award, award vesting description     half of the options vesting on the second anniversary of the vesting start date and a quarter of the options vesting on each of the two following anniversaries