v3.23.1
Common stock
 12 Months Ended
Sep. 30, 2022
Equity [Abstract]  
Common stock Common stockAs of September 30, 2022, the Company had reserved sufficient shares of common stock with a par value of $0.00001 per share for issuance upon exercise of outstanding stock options. Each share of common stock is entitled to one vote. The holders of shares of common stock are also entitled to receive dividends whenever funds are legally available and when declared by the board of directors.In February 2022, the Company completed an underwritten public offering of 5,227,272 shares of its common stock at a price to the public of $55.00 per share, including the full exercise of underwriters’ option to purchase an additional 681,818 shares of common stock. The Company received total net proceeds from the offering of $269.8 million, net of underwriting discounts and commissions and offering expenses.