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Stock-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2023

Stock-Based Compensation

Schedule of stock option plans

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​	​	​	​	​	​	​	​	​	​	​	​
​	​	Restated 2006 Plan				​	1992 Plan
​		​		Weighted			​		Weighted
​	​	​	​	Average		​	​	​	Average
​	​	​	​	Exercise		​	​	​	Exercise
​	​	Shares	​	Price		​	Shares	​	Price
Outstanding at April 30, 2020		334,026	​		25.19		1,113	​		0.59	​
Options granted		—	​		—		—	​		—	​
Options exercised		(53,500)	​		28.45		(1,113)	​		0.59	​
Options canceled		—	​		—		—	​		—	​
Outstanding at April 30, 2021		280,526	​		24.57		—	​		—	​
Options granted		—	​		—		—	​		—	​
Options exercised		(114,362)	​		24.28		—	​		—	​
Options canceled		—	​		—		—	​		—	​
Outstanding at April 30, 2022		166,164	​		24.78		—	​		—	​
Options granted		—	​		—		—	​		—	​
Options exercised		(100,000)	​		22.77		—	​		—	​
Options canceled		—	​		—		—	​		—	​
Outstanding at April 30, 2023		66,164	​		27.82		—	​		—	​
Options exercisable at April 30, 2023		66,164	​	$	27.82		—	​	$	—	​

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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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2023

​

Years

​

Price

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2023

​

Price

$

26.70

-

28.99

50,000

2.15

​

$

26.70

50,000

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$

26.70

​

​

29.00

-

31.27

16,164

1.26

​

31.27

16,164

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31.27

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$

26.70

-

31.27

66,164

1.93

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$

27.82

66,164

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$

27.82

​

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Schedule of Company's restricted stock awards

Information related to the Company’s restricted stock awards at April 30, 2023 and for the year then ended is as follows:

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​	​	​	​	​	​	​	​	​	​	​	​
​	​	2021 Plan				​	Restated 2006 Plan
​		​		Weighted		​	​		Weighted
​	​	​	​	Average		​	​	​	Average
​	​	​	​	Grant Date		​	​	​	Grant Date
​	​	Shares	​	Fair Value		​	Shares	​	Fair Value
Unvested stock at April 30, 2022		45,076	​	$	75.71	​	112,845	​	$	89.80	​
Stock granted		78,819	​		78.41	​	—	​		—	​
Stock vested		(23,728)	​		43.51	​	(61,857)	​		82.44	​
Stock canceled		(4,568)	​		76.52	​	(6,908)	​		93.13	​
Unvested stock at April 30, 2023		95,599	​	$	85.90	​	44,080	​	$	99.62	​

​

Information related to the Company’s restricted stock units at April 30, 2023 and for the year then ended is as follows:

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	Restated 2021 Plan				​	Restated 2006 Plan
​		​		Weighted			​		Weighted
​	​	​	​	Average		​	​	​	Average
​	​	​	​	Grant Date		​	​	​	Grant Date
​	​	Shares	​	Fair Value		​	Shares	​	Fair Value
Unvested stock at April 30, 2022		—	​	$	—		4,395	​	$	97.96	​
Stock granted		814	​		85.91		—	​		—	​
Stock vested		—	​		—		(1,349)	​		97.96	​
Stock canceled		—	​		—		(358)	​		97.96	​
Unvested stock at April 30, 2023		814	​	$	85.91		2,688	​	$	97.69	​

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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