Quarterly report [Sections 13 or 15(d)]

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2025
Sep. 30, 2024
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Class A Common Stock    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 400,000,000 400,000,000
Common stock, shares issued (in shares) 47,627,979 44,062,830
Common stock, shares outstanding (in shares) 47,235,345 43,819,102
Treasury stock, shares (in shares) 392,634 243,728
Class B Common Stock    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 11,739,408 11,784,650
Common stock, shares outstanding (in shares) 8,813,803 8,861,698
Treasury stock, shares (in shares) 2,925,605 2,922,952