XML 60 R31.htm IDEA: XBRL DOCUMENT v3.22.2
Preferred and Common Stock - Additional Information (Details)
6 Months Ended
Apr. 13, 2022
USD ($)
$ / shares
shares
May 11, 2021
USD ($)
Jun. 30, 2022
USD ($)
Vote
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
May 05, 2020
$ / shares
shares
Class Of Stock [Line Items]          
Common stock shares authorized | shares     200,000,000 200,000,000 200,000,000
Common stock par value | $ / shares     $ 0.001 $ 0.001 $ 0.001
Preferred Stock, Shares Authorized | shares     10,000,000 10,000,000 10,000,000
Preferred Stock, Par or Stated Value Per Share | $ / shares     $ 0.001 $ 0.001 $ 0.001
Common stock, voting rights     The holders of common stock are entitled to one vote for each share held.    
Number of common stock voting rights | Vote     1    
Stock and warrants to be issued during period value preferred stock and warrants | $   $ 250,000,000.0      
Pre Funded Warrants          
Class Of Stock [Line Items]          
Shares issued to investors | shares     5,000,000    
Net proceeds from sale of pre-funded warrants | $     $ 19,700,000    
Pre-funded warrants exercised | shares     0    
Private Placement          
Class Of Stock [Line Items]          
Gross proceeds from private placement | $ $ 100,500,000        
Net proceeds from private placement | $ 96,300,000        
Estimated offering costs | $ $ 4,200,000        
Common stock issued price per share | $ / shares $ 4.22        
Warrants exercise price, per share | $ / shares 0.001        
Warrants purchase price | $ / shares $ 4.219        
Private Placement | Pre Funded Warrants          
Class Of Stock [Line Items]          
Shares issued to investors | shares 5,000,000        
Private Placement | Common Stock          
Class Of Stock [Line Items]          
Shares issued to investors | shares 18,815,159        
2021 ATM Agreement          
Class Of Stock [Line Items]          
Proceeds to be occured from future issuance of common stock | $   $ 50,000,000.0 $ 0