Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of the Business - Additional Information (Details)

v3.21.2
Organization and Description of the Business - Additional Information (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2021
USD ($)
$ / shares
shares
Jun. 11, 2020
USD ($)
$ / shares
shares
Feb. 04, 2020
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
Jul. 31, 2020
shares
Jun. 30, 2020
$ / shares
shares
Feb. 29, 2020
$ / shares
shares
Mar. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
Segment
$ / shares
Dec. 31, 2020
USD ($)
Organization And Description Of Business [Line Items]                    
Number of operating segments | Segment                 1  
Accumulated deficit                 $ 151,980,000 $ 126,024,000
Pre funded warrants to purchase shares of common stock | shares           909,091 2,884,615      
Pre funded warrants exercise price | $ / shares                 $ 0.001  
Warrant issue price per share | $ / shares           $ 5.499 $ 2.599      
ATM Agreement                    
Organization And Description Of Business [Line Items]                    
Gross proceeds from ATM agreement               $ 10,673,000    
ATM Agreement | Cowen and Company LLC                    
Organization And Description Of Business [Line Items]                    
Percentage of commission on gross sales proceeds of issuance of common stock       3.00%            
Gross proceeds from ATM agreement $ 11,000,000.0                  
Common stock, shares issued, price per share | $ / shares $ 6.45                  
Issuance of common stock | shares 1,705,800                  
Underwritten Public Offering                    
Organization And Description Of Business [Line Items]                    
Common stock, shares issued, price per share | $ / shares   $ 5.50 $ 2.60              
Issuance of common stock | shares   7,590,909 18,965,385   427,707          
Pre funded warrants to purchase shares of common stock | shares   909,091 2,884,615              
Pre funded warrants exercise price | $ / shares   $ 0.001 $ 0.001              
Warrant issue price per share | $ / shares   $ 5.499 $ 2.599              
Net proceeds from the public offering   $ 45,800,000 $ 53,400,000              
Underwritten Public Offering | Existing Stockholder, Equal Talent Investments Limited, and one of the Directors                    
Organization And Description Of Business [Line Items]                    
Net proceeds from the public offering   $ 8,500,000                
Underwritten Public Offering | Existing Stockholder, Morningside Ventures and certain officers and directors                    
Organization And Description Of Business [Line Items]                    
Net proceeds from the public offering     $ 10,400,000              
Minimum                    
Organization And Description Of Business [Line Items]                    
Sufficient cash and cash equivalents available period term                 12 months  
Maximum | ATM Agreement | Cowen and Company LLC                    
Organization And Description Of Business [Line Items]                    
Common stock aggregate offering price       $ 50,000,000.0