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Nature of the Business and Basis of Presentation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jan. 22, 2021
Aug. 11, 2020
Jun. 09, 2020
Jul. 22, 2019
Mar. 31, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Nature Of Business And Basis Of Presentation [Line Items]                  
Issuance of common stock, Shares 4,600,000                
Share price $ 11.00                
Net proceeds of common stock $ 47,400                
Net proceeds of after deducting offering costs               $ 64,368  
Proceeds from issuance of common stock under benefit plans, net             $ 324 809  
Accumulated deficit             $ 258,267   $ 221,620
Convertible Preferred Stock                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Convertible preferred stock, share outstanding       112,500,000          
Common Stock                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Issuance of common stock, Shares         4,600,000        
IPO                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Issuance of common stock, Shares       4,500,000          
Share price       $ 16.00          
Net proceeds of common stock       $ 63,900          
Offering costs               $ 193  
IPO | Common Stock                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Number of preferred stock converted into common stock       16,071,418          
Private Placement | Investor                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Issuance of common stock, Shares     4,029,411            
Share price     $ 17.00            
Net proceeds of after deducting offering costs     $ 64,300            
Private Placement | Common Stock                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Issuance of common stock, Shares           4,029,411      
ATM Offering | Piper Sandler                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Issuance of common stock, Shares             550,000    
Proceeds from issuance of common stock under benefit plans, net             $ 5,700    
Percentage of commission on sales price per share   3.00%              
Offering costs             $ 200    
ATM Offering | Piper Sandler | Maximum                  
Nature Of Business And Basis Of Presentation [Line Items]                  
Proceeds from issuance of common stock under benefit plans, net   $ 75,000