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Stock-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2025

Stock-Based Compensation

Schedule of stock option plans

​

​	​	​	​	​	​
​	​	Restated 2006 Plan
​		​		Weighted
​	​	​	​	Average
​	​	​	​	Exercise
​	​	Shares	​	Price
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 granted		—	​		—
Options exercised		—	​		—
Options canceled		—	​		—
Outstanding at April 30, 2024		66,164	​		27.82
Options granted		—	​		—
Options exercised		(66,164)	​		27.82
Options canceled		—	​		—
Outstanding at April 30, 2025		—	​		—
Options exercisable at April 30, 2025		—	​	$	—

​

Schedule of Company's restricted stock awards

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	2021 Plan				​	Restated 2006 Plan
​		​		Weighted		​	​		Weighted
​	​	​	​	Average		​	​	​	Average
​	​	​	​	Grant Date		​	​	​	Grant Date
​	​	Shares	​	Fair Value		​	Shares	​	Fair Value
Unvested stock at April 30, 2024		191,607	​	$	101.38	​	9,902	​	$	94.67	​
Stock granted		57,497	​		174.46	​	—	​		—	​
Stock vested		(76,511)	​		97.79	​	(9,902)	​		94.67	​
Stock canceled		(10,453)	​		118.72	​	—	​		—	​
Unvested stock at April 30, 2025		162,140	​	$	127.71	​	—	​	$	—	​

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	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, 2024		3,415	​	$	101.38		1,349	​	$	97.69	​
Stock granted		992	​	​	175.67		—	​		—	​
Stock vested		(1,229)	​		100.26		(1,349)	​		97.69	​
Stock canceled		—	​		—		—	​		—	​
Unvested stock at April 30, 2025		3,178	​	$	125.00		—	​	$	—	​

​

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Tabular disclosure of the changes in outstanding nonvested shares.

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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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