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Treasury Shares | 3 Months Ended
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Jul. 31, 2020
Equity [Abstract] |
Treasury Shares | (12) Treasury Shares During each of the three months ended July 31, 2020 and 2019, no shares of common stock were purchased by the Company from employees to pay taxes related to the vesting of restricted stock.

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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 http://asc.fasb.org/subtopic&trid=2208821 + Details
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