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Stockholders' Equity - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Sep. 30, 2022
Number of Shares      
Outstanding at beginning of period (in shares) 781,092    
Granted (in shares) 0 0  
Exercised (in shares) (85,302)    
Canceled (in shares) (30,871)    
Outstanding at end of period (in shares) 664,919   781,092
Weighted-Average Exercise Price (in dollars per share)      
Outstanding at beginning of period (in dollars per share) $ 7.46    
Granted (in dollars per share) 0    
Exercised (in dollars per share) 7.93    
Canceled (in dollars per share) 9.49    
Outstanding at end of period (in dollars per share) $ 7.30   $ 7.46
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Vested and Expected to Vest (in shares) 664,919    
Exercisable (in shares) 647,629    
Vested and Expected to Vest, Weighted Average Exercise Price (in dollars per share) $ 7.30    
Exercisable, Weighted Average Exercise Price (in dollars per share) $ 7.24    
Outstanding, Weighted-Average Remaining Contractual Terms (in Years) 4 years 8 months 12 days   3 years 8 months 12 days
Vested and Expected to Vest, Weighted Average Remaining Contractual Term (in Years) 4 years 8 months 12 days    
Exercisable, Weighted Average Remaining Contractual Term (in Years) 4 years 7 months 6 days    
Outstanding, Aggregate Intrinsic Value $ 1,554   $ 1,512
Vested and Expected to Vest, Aggregate Intrinsic Value 1,554    
Exercisable, Aggregate Intrinsic Value $ 1,552