Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.21.2
Subsequent Events (Details) - USD ($)
 1 Months Ended 9 Months Ended 33 Months Ended
Dec. 09, 2021
Nov. 16, 2021
Nov. 15, 2021
Nov. 30, 2021
Oct. 31, 2021
Sep. 30, 2016
Sep. 30, 2014
Sep. 30, 2021
Sep. 30, 2016
Sep. 30, 2020
Common Share Warrants                    
Subsequent Event [Line Items]                    
Number of shares sold           62,000 45,000   107,000  
Equity Incentive Plan                    
Subsequent Event [Line Items]                    
Number of shares authorized (in shares)               18,713,504   11,679,353
Vesting term               4 years    
Subsequent Event                    
Subsequent Event [Line Items]                    
Common stock authorized (in shares)   500,000,000                
Common stock par value (in dollars per share)   $ 0.00001                
Preferred stock authorized (in shares)   10,000,000                
Preferred stock par value (in dollars per share)   $ 0.00001                
Subsequent Event | Common Share Warrants                    
Subsequent Event [Line Items]                    
Proceeds from warrant exercises       $ 0            
Stock warrants exercised (in shares)       104,269            
Subsequent Event | Employee Stock                    
Subsequent Event [Line Items]                    
Contribution limit as a percent of base compensation (in percent)         50.00%          
Purchase price of stock (in percent)         85.00%          
Maximum number of shares per employee (in shares)         2,500          
Number of shares authorized (in shares) 1,300,000                  
Shares issued during period (in shares) 0                  
Offering period         6 months          
Subsequent Event | Restricted Stock Units (RSUs)                    
Subsequent Event [Line Items]                    
Granted during period (in shares)       171,075            
Fair value       $ 4,100,000            
Vesting term       4 years            
Subsequent Event | Equity Incentive Plan                    
Subsequent Event [Line Items]                    
Shares reserved for future issuance (in shares)         9,000,000          
Subsequent Event | IPO                    
Subsequent Event [Line Items]                    
Number of shares sold     5,000,000              
Offering price (in dollars per share)     $ 24.00              
Aggregate proceeds     $ 111,600,000              
Common stock par value (in dollars per share)     $ 0.00001              
Subsequent Event | Redeemable convertible preferred stock                    
Subsequent Event [Line Items]                    
Redeemable convertible preferred stock outstanding (in shares)     43,836,109              
Carrying value of preferred stock converted     $ 151,900,000              
Subsequent Event | Common stock                    
Subsequent Event [Line Items]                    
Shares issued upon conversion of preferred stock   43,836,109