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STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Apr. 30, 2017
Summary of Stock Option Activity
The following tables summarize stock option activity for fiscal 2017, 2016, and 2015:

         
2017
         
2016
         
2015
 
            Weighted-            Weighted-           Weighted-  
         
Average
         
Average
         
Average
 
           
Exercise
         
Exercise
         
Exercise
 
   
Shares
   
Price
   
Shares
   
Price
   
Shares
   
Price
 
outstanding at beginning
                                   
of year
   
83,600
   
$
8.37
     
140,100
   
$
6.49
     
153,950
   
$
6.70
 
granted
   
-
     
-
     
-
     
-
     
-
     
-
 
exercised
   
(68,000
)
   
8.65
     
(54,500
)
   
3.68
     
(10,100
)
   
9.31
 
canceled/expired
   
-
     
-
     
(2,000
)
   
4.59
     
(3,750
)
   
7.27
 
outstanding at end of year
   
15,600
     
7.14
     
83,600
     
8.37
     
140,100
     
6.49
 
Summary of Stock Option Activity by Range of Exercise Prices
   
Options Outstanding
   
Options Exercisable
 
 
Range of
 
Number
Outstanding
    Weighted-Avg.
Remaining
    Weighted-Avg.    
Number
Exercisable
    Weighted-Avg.  
Exercise Prices
 
at 4/30/17
    Contractual Life     Exercise Price    
at 4/30/17
    Exercise Price  
$7.08 - $8.75
   
15,600
      1.1     $ 7.14      
15,600
    $ 7.14  
Summary of Time Vested Restricted Stock Activity
The following table summarizes the time vested restricted stock activity for fiscal years 2017, 2016, and 2015:

   
2017
Shares
   
2016
Shares
   
2015
Shares
 
outstanding at beginning of year
   
-
     
-
     
61,668
 
granted     1,200       -       -  
vested    
-
     
-
      (61,668 )
outstanding at end of year
   
1,200
     
-
     
-
 
Summary of Vested Performance Based Restricted Stock Units
The following table summarizes information related to our performance based restricted stock units that vested during fiscal years 2017 and 2016. No performance based restricted stock units vested during fiscal 2015:

 
Fiscal Year
 
Common Stock
Shares Vested
   
(1)
Weighted Average
Fair Value
   
Price
Per Share
 
Fiscal 2017 - Management
   
37,192
   
$
637
   
$
17.12
(2)
Fiscal 2017 - Non-Employee
   
12,000
   
$
345
   
$
28.77
(3)
Fiscal 2016 - Management
   
115,855
   
$
1,183
   
$
10.21
(2)
 
(1) Dollar amounts are in thousands.

(2) Price per share represents the closing price of our common stock on the date of grant.

(3) The respective grant vested during the first quarter of fiscal 2017. Accordingly, the price per share represents the closing price of our common stock on the date the award vested.
Management [Member]  
Summary of Grants of Performance Based Restricted Stock Units
The following table summarizes information related to our grants of performance based restricted stock units associated with key members of management for fiscal years 2017, 2016, and 2015:

   
(1)
Restricted Stock
   
(2)
Price Per
 
 
Vesting
Date of Grant
 
Units Awarded
   
Share
 
Period
July 14, 2016
   
107,880
   
$
28.00
 
3 years
July 15, 2015
   
107,554
   
$
32.23
 
3 years
June 24, 2014
   
102,845
   
$
17.70
 
3 years
 
(1) Amounts represent the maximum number of common stock shares that could be earned if certain performance targets are met as defined in the related restricted stock unit agreements.
 
(2) Price per share represents the closing price of our common stock on the date of grant.
Non-employee [Member]  
Summary of Grants of Performance Based Restricted Stock Units
The following table summarizes information related to our grants of performance based restricted stock units associated with a non-employee for fiscal years 2017, 2016, and 2015:

 
Date of Grant
 
(1)
Restricted Stock
Units Awarded
   
(2)
Price Per
Share
 
Vesting
Period
July 14, 2016
   
11,549
   
$
32.10
(2)
3 years
July 15, 2015
   
10,364
   
$
32.10
(2)
3 years
March 3, 2015
   
16,000
   
$
32.10
(2)
28 months
March 3, 2015
   
12,000
   
$
28.77
(3)
16 months
 
(1) Amounts represent the maximum number of common stock shares that could be earned if certain performance targets are met as defined in the related restricted stock unit agreements.

(2) The respective grant was unvested at the end of our reporting period. Accordingly, the price per share represents the closing price of our common stock on April 30, 2017, the end of our reporting period.

(3) The respective grant vested during the first quarter of fiscal 2017. Accordingly, the price per share represents the closing price of our common stock on the date the award vested.