XML 92 R56.htm IDEA: XBRL DOCUMENT v3.22.0.1
Net Loss per Share - Schedule of Potentially Dilutive Common Stock Equivalent Excluded from Calculation of Diluted Net Loss per Share (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities 4,246,007 4,090,970 25,644,914
Convertible Preferred Stock      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities     22,866,246
Warrants to Purchase Common Stock      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities     10,800
Common Stock Options Issued and Outstanding      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities 4,246,007 4,090,970 2,767,868