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Stock-Based Compensation - Additional Information (Details) - USD ($)
12 Months Ended
Mar. 11, 2020
Jun. 21, 2019
Jun. 05, 2019
May 16, 2019
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2022
Jan. 01, 2021
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares remaining available for future issuance         1,392,199 1,302,038      
Share-based compensation award, weighted-average fair value         $ 7.00 $ 12.95      
Share-based compensation award, granted         952,953        
Stock-based compensation expense         $ 3,845,000 $ 2,231,000      
Unrecognized stock-based compensation expense         $ 9,400,000        
Expected weighted average period to recognize expense         2 years 7 months 24 days        
Performance Based Awards                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Share-based compensation award, granted   220,928 220,928 220,928          
Stock-based compensation expense         $ 200,000 $ 300,000      
Performance Based Awards | Tranche One                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock option vest percentage         25.00%        
2016 Stock Incentive Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares remaining available for future issuance 228,852               0
2020 Equity Incentive Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares remaining available for future issuance         1,216,532 1,110,675   701,930  
Number of shares of common stock that may be issued accordance with plan 1,220,283                
Description of changes in the number of shares reserved for issuance         The number of shares reserved shall be annually increased on the first day of each fiscal year, beginning with the fiscal year ending December 31, 2021 and continuing until, and including, the fiscal year ending December 31, 2030, equal to the lesser of (i) 4% of the number of shares of the Company’s common stock outstanding on the first day of such fiscal year and (ii) an amount determined by the Company’s board of directors.        
Common stock outstanding percent 4.00%                
2020 Equity Incentive Plan | Subsequent Event                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares remaining available for future issuance             1,051,490    
2020 Equity Incentive Plan | Maximum                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Number of shares authorized 2,091,969                
Number of shares of common stock that may be issued accordance with plan 8,541,982                
2020 ESPP                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares remaining available for future issuance         175,667 191,363      
Number of shares authorized 193,216                
Number of shares of common stock that may be issued accordance with plan 386,432                
Common stock outstanding percent 1.00%                
Expected weighted average period to recognize expense         5 months 15 days        
Offering price percentage 85.00%                
Shares purchased under the ESPP         15,696        
2020 ESPP | Subsequent Event                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares remaining available for future issuance             262,872    
2020 ESPP | Maximum                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Stock-based compensation expense         $ 100,000        
Unrecognized stock-based compensation expense         100,000        
Earnings withheld from employees to purchase shares of common stock under purchase plan         $ 100,000