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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2023
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Statement of Financial Position [Abstract]        
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001  
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000 1,000,000  
Preferred stock, shares issued (in shares) 0 0 0  
Preferred stock, shares outstanding (in shares) 0 0 0  
Common stock, par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 120,000,000 120,000,000 120,000,000 120,000,000
Common stock, shares issued (in shares) 45,409,185 44,680,429 44,344,361  
Common stock, shares outstanding (in shares) 45,409,185 44,680,429   44,168,745