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Earnings Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share [Abstract]    
Net income $ 688 $ 1,230
Denominator for basic net income per common share — weighted average shares outstanding 25,716,000 26,188,000
Effect of dilutive securities:    
Stock options and restricted stock units 513,000 246,000
Denominator for diluted net income per common share — adjusted weighted average shares 26,229,000 26,434,000
Net income per common share, basic (USD per share) $ 0.03 $ 0.05
Net income per common share, diluted (USD per share) $ 0.03 $ 0.05
Antidilutive securities excluded from computation of earnings per share 2,699,776 4,278,823