Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Numerator [Abstract]
Net income	$ 337	$ (82)	$ 221	$ 52
Denominator [Abstract]
Denominator for basic net income (loss) per share - weighted-average outstanding shares (shares)	9,717	9,588	9,642	9,595
Effect of dilutive securities:
Stock options and restricted stock (shares)	949	0	898	412
Denominator for diluted net income (loss) per share - weighted-average outstanding shares (shares)	10,666	9,588	10,540	10,007
Net income (loss) per share - basic (dollars per share)	$ 0.04	$ (0.01)	$ 0.02	$ 0.01
Net income (loss) per share - diluted (dollars per share)	$ 0.03	$ (0.01)	$ 0.02	$ 0.01