v3.23.1
Consolidated Statements of Stockholders’ Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common stock
Additional paid-in capital
Accumulated other comprehensive income
Accumulated deficit
Beginning balance (in shares) at Sep. 30, 2019   32,873      
Beginning balance at Sep. 30, 2019 $ 152,082 $ 0 $ 470,425 $ 181 $ (318,524)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock in public offerings, net of underwriting discounts, commissions and offering expenses (in shares)   11,064      
Issuance of common stock in public offerings, net of underwriting discounts, commissions and offering expenses 295,563   295,563    
Vesting of restricted stock units (in shares)   178      
Issuance of shares under the employee stock purchase plan (in shares)   126      
Issuance of shares under the employee stock purchase plan 3,428   3,428    
Exercise of stock options (in shares)   915      
Exercise of stock options 10,539   10,539    
Repurchases of early exercised stock options (in shares)   (2)      
Stock-based compensation 17,096   17,096    
Other comprehensive income (loss) (94)     (94)  
Repurchases of common stock for income tax withholding (in shares)   (71)      
Repurchase of common stock for income tax withholdings (2,421)   (2,421)    
Net loss (139,931)       (139,931)
Ending balance (in shares) at Sep. 30, 2020   45,083      
Ending balance at Sep. 30, 2020 336,262 $ 0 794,630 87 (458,455)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock in public offerings, net of underwriting discounts, commissions and offering expenses (in shares)   3,136      
Issuance of common stock in public offerings, net of underwriting discounts, commissions and offering expenses 323,861   323,861    
Vesting of restricted stock units (in shares)   237      
Issuance of shares under the employee stock purchase plan (in shares)   74      
Issuance of shares under the employee stock purchase plan 4,944   4,944    
Exercise of stock options (in shares)   804      
Exercise of stock options 14,471   14,471    
Repurchases of early exercised stock options (in shares)   (2)      
Business acquisition (in shares)   237      
Business acquisition 26,773   26,773    
Stock-based compensation 36,998   36,998    
Net exercise of stock warrants (in shares)   22      
Other comprehensive income (loss) 459     459  
Repurchases of common stock for income tax withholding (in shares)   (92)      
Repurchase of common stock for income tax withholdings (10,849)   (10,849)    
Net loss $ (152,098)       (152,098)
Ending balance (in shares) at Sep. 30, 2021 49,499 49,499      
Ending balance at Sep. 30, 2021 $ 580,821 $ 0 1,190,828 546 (610,553)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock in public offerings, net of underwriting discounts, commissions and offering expenses (in shares)   5,227      
Issuance of common stock in public offerings, net of underwriting discounts, commissions and offering expenses $ 269,822   269,822    
Vesting of restricted stock units (in shares)   365      
Issuance of shares under the employee stock purchase plan (in shares) 97 97      
Issuance of shares under the employee stock purchase plan $ 4,010   4,010    
Exercise of stock options (in shares) 484 486      
Exercise of stock options $ 5,952   5,952    
Business acquisition (in shares)   988      
Business acquisition 77,122   77,122    
Stock-based compensation 79,664   79,664    
Other comprehensive income (loss) (2,389)     (2,389)  
Repurchases of common stock for income tax withholding (in shares)   (139)      
Repurchase of common stock for income tax withholdings (7,754)   (7,754)    
Net loss $ (217,863)       (217,863)
Ending balance (in shares) at Sep. 30, 2022 56,523 56,523      
Ending balance at Sep. 30, 2022 $ 789,385 $ 0 $ 1,619,644 $ (1,843) $ (828,416)