XML 33 R22.htm IDEA: XBRL DOCUMENT v3.21.1
Organization - Additional Information (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Oct. 22, 2020
shares
Sep. 29, 2020
USD ($)
$ / shares
shares
Sep. 24, 2020
shares
Sep. 18, 2020
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Reverse stock split       0.111039552    
Reverse stock split, description         On September 18, 2020, the Company effected a 9.0058:1 reverse stock split of its issued and outstanding common stock. Upon the effectiveness of the reverse stock split, (i) all shares of outstanding common stock were adjusted; (ii) the conversion prices of the convertible preferred stock were adjusted; (iii) the number of shares of common stock for which each outstanding option and warrant to purchase common stock is exercisable were adjusted; and (iv) the exercise price of each outstanding option and warrant to purchase common stock was adjusted. All of the outstanding common stock share numbers (including shares of common stock subject to the Company’s options, warrants and as-converted for the outstanding convertible preferred stock), share prices, exercise prices and per share amounts contained in the condensed financial statements have been retroactively adjusted to reflect this reverse stock split for all periods presented. The par value per share and the authorized number of shares of common stock were not adjusted as a result of the reverse stock split.  
Accumulated deficit | $         $ 144,816 $ 133,367
Initial Public Offering | Common Stock            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Issuance of common stock upon initial public offering, net of issuance costs, Shares   6,468,750        
Shares issued and sold, price per share | $ / shares   $ 16.00        
Number of shares purchased in additional pursuant to underwriters' option 843,750          
Net proceeds from shares issued | $   $ 92,000        
Conversion of convertible preferred stock into common stock upon initial public offering     117,809,883      
Outstanding redeemable convertible preferred stock converted to common stock     13,085,913