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Earnings Per Share (Tables)
 9 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Schedule of Calculation of Numerator and Denominator in Earnings Per Share
The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):
 
Three months ended June 30,
 
Nine months ended June 30,
 
2015
 
2014
 
2015
 
2014
Numerator:
 
 
 
 
 
 
 
Net income (loss)
$
2,496

 
$
(101
)
 
$
3,603

 
$
1,325

Denominator:
 
 
 
 
 
 
 
Denominator for basic net income per common share — weighted average shares outstanding
24,938

 
25,274

 
24,525

 
25,545

Effect of dilutive securities:
 
 
 
 
 
 
 
Stock options and restricted stock units
772

 
—

 
560

 
420

Denominator for diluted net income per common share — adjusted weighted average shares
25,710

 
25,274

 
25,085

 
25,965

Net income per common share, basic
$
0.10

 
$
—

 
$
0.15

 
$
0.05

Net income per common share, diluted
$
0.10

 
$
—

 
$
0.14

 
$
0.05