Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Organization and Description of the Business - Additional Information (Details)
1 Months Ended 3 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 ($)
Segment
$ / shares
Dec. 31, 2020
USD ($)
Organization And Description Of Business [Line Items]                  
Number of operating segments | Segment               1  
Accumulated deficit               $ 139,018,000 $ 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     $ 22,900,000            
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