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Stock Compensation Plans (Tables)
3 Months Ended
Dec. 31, 2017
Share-based Compensation [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
for the three months ended December 31, 2017 and 2016 is summarized as follows:
 
Three Months Ended
December 31, 2017
 
Three Months Ended
December 31, 2016
 
 Number of Shares

 
Weighted
Average
Exercise
Price

 
 Number of Shares

 
Weighted
Average
Exercise
Price

Options outstanding, beginning of period
380,120

 
$
13.23

 
373,130

 
$
9.82

Exercised
(6,250
)
 
9.65

 
(12,700
)
 
6.31

Forfeited
(4,300
)
 
11.66

 

 

Options outstanding, end of period
369,570

 
$
13.31

 
360,430

 
$
9.94

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range
Additional information regarding options outstanding at December 31, 2017 is as follows:
 
 
Options Outstanding
 
Options Exercisable
Range of
Exercise
Prices ($)
 
Number

 
Weighted
Average
Exercise
Price

 
Weighted
Average
Remaining
Contractual
Life (Years)
 
Number

 
Weighted
Average
Exercise
Price

 
Weighted
Average
Remaining
Contractual
Life (Years)
$ 4.01 - 4.55
 
10,000

 
$
4.28

 
2.9
 
10,000

 
$
4.28

 
2.9
   5.86 - 6.00
 
39,000

 
5.94

 
4.8
 
39,000

 
5.94

 
4.8
   9.00
 
78,000

 
9.00

 
5.8
 
59,800

 
9.00

 
5.8
 10.26 - 10.71
 
131,520

 
10.57

 
7.3
 
48,070

 
10.56

 
7.2
 15.67
 
53,050

 
15.67

 
8.8
 
9,450

 
15.67

 
8.8
 29.69
 
58,000

 
29.69

 
9.8
 

 
N/A

 
N/A
 
 
369,570

 
$
13.31

 
7.2
 
166,320

 
$
8.83

 
6.0