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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Sep. 30, 2016
Accounting Policies [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):
 
Fiscal years ended September 30,
 
2016
 
2015
 
2014
Numerator:
 
 
 
 
 
Income from continuing operations
$
13,478

 
$
9,433

 
$
4,493

Income (loss) from discontinued operations, after income taxes
$
3,230

 
$
(2,845
)
 
$
(2,742
)
Net income
$
16,708

 
$
6,588

 
$
1,751

Denominator:
 
 
 
 
 
Denominator for basic net income per common share — weighted average shares outstanding
25,760

 
24,645

 
25,345

Effect of dilutive securities:
 
 
 
 
 
Stock options and restricted stock units
551

 
582

 
385

Denominator for diluted net income per common share — adjusted weighted average shares
26,311

 
25,227

 
25,730

 
 
 
 
 
 
Basic net income (loss) per common share:
 
 
 
 
 
Continuing operations
$
0.52

 
$
0.38

 
$
0.18

Discontinued operations
$
0.13

 
$
(0.12
)
 
$
(0.11
)
Net income (1)
$
0.65

 
$
0.27

 
$
0.07

Diluted net income (loss) per common share:
 
 
 
 
 
Continuing operations
$
0.51

 
$
0.37

 
$
0.17

Discontinued operations
$
0.12

 
$
(0.11
)
 
$
(0.11
)
Net income (1)
$
0.64

 
$
0.26

 
$
0.07


(1) Earnings per share presented are calculated by line item and may not add due to the use of rounded amounts.