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Earnings Per Share (Tables)
 9 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Reconciliation of Basic and Diluted Weighted Average Shares used in Computation of Earnings Per Share
The following table reconciles basic and diluted weighted average shares used in the computation of earnings per share (in thousands, except per share data):
 
Three months ended June 30,
 
Nine months ended June 30,
 
2020
 
2019
 
2020
 
2019
Numerator:
 
 
 
 
 
 
 
Net income
$
3,481

 
$
5,089

 
$
13,677

 
$
3,352

Denominator:
 
 
 
 
 
 
 
Weighted average basic shares
11,631

 
11,579

 
11,622

 
11,567

Dilutive effect of restricted stock units
67

 
24

 
64

 
22

Weighted average diluted shares
11,698

 
11,603

 
11,686

 
11,589

Income per share:
 
 
 
 
 
 
 
Basic
$
0.30

 
$
0.44

 
$
1.18

 
$
0.29

Diluted
$
0.30

 
$
0.44

 
$
1.17

 
$
0.29