Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator [Abstract]
Net income	$ 776	$ 437	$ 997	$ 489
Denominator [Abstract]
Denominator for basic net income (loss) per share - weighted-average outstanding shares (shares)	10,154	9,552	9,812	9,580
Effect of dilutive securities:
Stock options and restricted stock (shares)	1,157	404	1,043	410
Denominator for diluted net income (loss) per share - weighted-average outstanding shares (shares)	11,311	9,956	10,855	9,990
Net income (loss) per share - basic (dollars per share)	$ 0.08	$ 0.05	$ 0.10	$ 0.05
Net income (loss) per share - diluted (in dollars per share)	$ 0.07	$ 0.04	$ 0.09	$ 0.05