XML 47 R26.htm IDEA: XBRL DOCUMENT v3.21.1
Organization and Basis of Presentation - Additional Information (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Sep. 30, 2020
USD ($)
$ / shares
shares
Jul. 31, 2020
USD ($)
$ / shares
shares
Nov. 30, 2019
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Nov. 13, 2019
shares
Subsidiary Sale Of Stock [Line Items]            
Date of incorporation       Jun. 30, 2019    
Reorganization exchange of equity percentage of ordinary shares exchanged       100.00%    
Reorganization exchange of equity percentage of common stock issued upon exchange       100.00%    
Proceeds from issuance of common stock         $ 11  
Reverse stock split conversion ratio     0.160849      
Proceeds from issuance of common stock, net of underwriters discount and commissions         $ 11  
Cash and cash equivalents       $ 204,600    
Common Stock            
Subsidiary Sale Of Stock [Line Items]            
Convertible preferred stock automatically converted into common stock | shares     7,077,366     7,077,366
Public Offerings | Common Stock            
Subsidiary Sale Of Stock [Line Items]            
Shares issued and sold | shares     6,100,390 6,072,040 6,100,390  
IPO price per share | $ / shares     $ 16.00      
Proceeds from issuance of common stock     $ 87,700      
Payment of underwriting discounts, commissions     6,800      
Other offering expenses     3,100      
Proceeds from issuance of common stock, net of underwriters discount and commissions     $ 87,700      
Underwriters option | Common Stock            
Subsidiary Sale Of Stock [Line Items]            
Shares issued and sold | shares   397,440 795,703      
Underwritten public offering | Common Stock            
Subsidiary Sale Of Stock [Line Items]            
Shares issued and sold | shares 3,025,000 3,047,040        
IPO price per share | $ / shares $ 28.00 $ 27.50        
Proceeds from issuance of common stock $ 79,500 $ 78,200        
Payment of underwriting discounts, commissions 4,600 5,000        
Other offering expenses 600 600        
Gross proceeds from issue of common stock 84,700 83,800        
Proceeds from issuance of common stock, net of underwriters discount and commissions $ 79,500 $ 78,200