Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Net (loss) income	$ (101)	$ 1,528	$ 1,325	$ 3,758
Denominator for basic net income per common share — weighted average shares outstanding	25,274,000	25,849,000	25,545,000	26,057,000
Effect of dilutive securities:
Stock options and restricted stock units	0	265,000	420,000	266,000
Denominator for diluted net income per common share — adjusted weighted average shares	25,274,000	26,114,000	25,965,000	26,323,000
Net income per common share, basic (USD per share)	$ 0.00	$ 0.06	$ 0.05	$ 0.14
Net income per common share, diluted (USD per share)	$ 0.00	$ 0.06	$ 0.05	$ 0.14
Potentially dilutive securities excluded from computation of earnings per share	4,979,372	5,000,974	3,399,013	4,322,874