Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net income	$ 878	$ 1,812	$ 1,992	$ 3,963
Denominator:
Denominator for basic net income per share - weighted-average outstanding shares (in shares)	14,386	14,205	14,386	14,118
Effect of dilutive securities:
Stock options and restricted stock (in shares)	68	741	68	705
Denominator for diluted net income per share - weighted-average outstanding shares (in shares)	14,454	14,946	14,454	14,823
Net income per share - basic (in dollars per share)	$ 0.06	$ 0.13	$ 0.14	$ 0.28
Net income per share - diluted (in dollars per share)	$ 0.06	$ 0.12	$ 0.14	$ 0.27