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Treasury Shares	12 Months Ended
	Apr. 30, 2022
Equity [Abstract]
Treasury Shares	(13) Treasury Shares During the years ended April 30, 2022 and 2021, 2,312 and 16,789 shares of common stock, respectively, were purchased by the Company from employees to pay taxes related to the vesting of restricted stock.

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- References

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI https://asc.fasb.org/subtopic&trid=2208821

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