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Stock-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2021

Stock-Based Compensation

Schedule of stock option plans

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Restated 2006 Plan

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2002 Plan

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1992 Plan

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Weighted

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Weighted

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Weighted

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Average

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Average

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Average

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Exercise

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Exercise

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Exercise

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Shares

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Price

​

Shares

​

Price

​

Shares

​

Price

Outstanding at April 30, 2018

339,026

​

25.29

—

​

—

18,302

​

0.59

​

Options granted

—

​

—

—

​

—

—

​

—

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Options exercised

(2,000)

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32.19

—

​

—

(4,000)

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0.59

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Options canceled

—

​

—

—

​

—

—

​

—

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Outstanding at April 30, 2019

337,026

​

25.25

—

​

—

14,302

​

0.59

​

Options granted

—

​

—

—

​

—

—

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—

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Options exercised

(3,000)

​

31.15

—

​

—

(13,189)

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0.59

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Options canceled

—

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—

—

​

—

—

​

—

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Outstanding at April 30, 2020

334,026

​

25.19

—

​

—

1,113

​

0.59

​

Options granted

—

​

—

—

​

—

—

​

—

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Options exercised

(53,500)

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28.45

—

​

—

(1,113)

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0.59

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Options canceled

—

​

—

—

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—

—

​

—

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Outstanding at April 30, 2021

280,526

​

24.57

—

​

—

—

​

—

​

Options exercisable at April 30, 2021

280,526

​

$

24.57

—

​

$

—

—

​

$

—

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Schedule of the status of the Company's non-vested stock options

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​	​	​	​	​	​	​
​		​		Weighted
​	​	​	​	Average
​	​	​	​	Grant Date
Non-vested Options	​	Options	​	Fair Value
Non-vested at April 30, 2020		16,000	​	$	10.16	​
Granted		—	​		—	​
Expired		—	​		—	​
Canceled		—	​		—	​
Vested		(16,000)	​		10.16	​
Non-vested at April 30, 2021		—	​	$	—	​

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Schedule of information concerning outstanding and exercisable options

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Options Outstanding

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Weighted

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Average

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Options Exercisable

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Remaining

Weighted

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Weighted

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As of

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Contractual

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Average

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As of

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Average

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April 30,

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Life In

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Exercise

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April 30,

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Exercise

Range of Exercise Prices

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2021

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Years

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Price

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2021

​

Price

$

18.07

-

19.16

54,000

1.98

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$

18.26

54,000

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$

18.26

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​

19.17

-

26.24

55,000

2.04

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20.29

55,000

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20.29

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​

26.25

-

26.99

80,000

4.15

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26.70

80,000

​

26.70

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​

27.00

-

28.53

​

50,000

​

2.56

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​

27.27

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50,000

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​

27.27

​

​

28.54

-

31.27

41,526

2.94

​

31.13

41,526

​

31.13

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$

18.07

-

31.27

280,526

2.86

​

$

24.57

280,526

​

$

24.57

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Schedule of Company's restricted stock awards

Information related to the Company’s restricted stock awards at April 30, 2021 and for the year then ended is as follows:

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​	​	​	​	​	​	​
​	​	Restated 2006 Plan
​		​		Weighted
​	​	​	​	Average
​	​	​	​	Grant Date
​	​	Shares	​	Fair Value
Unvested stock at April 30, 2020		201,647	​	$	55.84	​
Stock granted		117,468	​		79.96	​
Stock vested		(133,578)	​		39.77	​
Stock canceled		(5,509)	​		72.03	​
Unvested stock at April 30, 2021		180,028	​	$	83.02	​

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Tabular disclosure of the changes in outstanding nonvested stock option.

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Tabular disclosure of the changes in outstanding nonvested shares.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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-Name Accounting Standards Codification
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