Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income	$ (3,054)	$ 5,779
Denominator:
Denominator for basic net income per common share — weighted average shares outstanding	36,129,000	35,608,000
Effect of dilutive securities:
Stock options and restricted stock units	0	1,251,000
Denominator for diluted net income per common share — adjusted weighted average shares	36,129,000	36,859,000
Basic net (loss) income per common share:
Earnings Per Share, Basic	$ (0.08)	$ 0.16
Diluted net (loss) income per common share
Diluted (USD per share)	$ (0.08)	$ 0.16
Potentially dilutive securities excluded from computation of earnings per share	1,563,857	234,365