Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income	$ 1,812	$ 805	$ 3,963	$ 2,352
Denominator:
Denominator for basic net income (loss) per share - weighted-average outstanding shares (in shares)	14,205	13,759	14,118	13,530
Effect of dilutive securities:
Stock options and restricted stock (in shares)	741	841	705	917
Denominator for diluted net income (loss) per share - weighted-average outstanding shares (in shares)	14,946	14,600	14,823	14,447
Net income per share - basic (in dollars per share)	$ 0.13	$ 0.06	$ 0.28	$ 0.17
Net income per share - diluted (in dollars per share)	$ 0.12	$ 0.06	$ 0.27	$ 0.16