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Stock-Based Compensation - Additional Information (Details) - USD ($)
12 Months Ended
Jan. 01, 2021
Dec. 31, 2021
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Total shares of common stock reserved   1,550,887 3,566,199
Weighted-average grant date fair value of stock options granted to employees and directors   $ 1.60 $ 2.70
Options granted   346,944 330,845
Aggregate grant date fair value of stock options vested   $ 322,067 $ 732,408
Intrinsic value of exercisable awards   0  
Total unrecognized compensation cost related to stock options granted to employees   $ 621,996 $ 628,036
Maximum contractual life for options granted   10 years  
Expected dividend yield   0.00%  
2018 Omnibus Incentive Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Total shares of common stock reserved   425,000  
Percentage of total shares of common stock reserved   2.00%  
Additional shares of common stock 447,744    
2018 Omnibus Incentive Plan | Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Percentage of voting power of all classes of stock to be owned by optionee to determine the exercise price   10.00%  
Exercise price as a percentage of fair value of common stock on grant date if optionee owns stock representing more than 10 percent of voting power of all classes of stock   110.00%  
Employee Stock Options      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Total unrecognized compensation cost related to stock options granted to employees, weighted-average recognition period   2 years 1 month 6 days 2 years 6 months
Expected term of stock option   6 years 6 years 3 months 18 days
Employee Stock Options | 2011 Employee Equity Plan | Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options granted, expiration year   5 years  
Employee Stock Options | 2011 Employee Equity Plan | Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options granted, expiration year   10 years  
Employee Stock Options | 2018 Omnibus Incentive Plan | Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options granted, expiration year   5 years  
Employee Stock Options | 2018 Omnibus Incentive Plan | Minimum | Board of Directors      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Vesting period of stock option grants   0 years  
Employee Stock Options | 2018 Omnibus Incentive Plan | Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options granted, expiration year   10 years  
Employee Stock Options | 2018 Omnibus Incentive Plan | Maximum | Board of Directors      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Vesting period of stock option grants   8 years