CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) $ in Thousands	12 Months Ended
Apr. 30, 2021 USD ($) $ / shares
Statement of Stockholders' Equity [Abstract]
Preferred Stock, Dividends, Per Share, Cash Paid \| $ / shares	$ 2.705
Payment of stock issuance costs \| $	$ 2,359

The cash outflow for cost incurred directly with the issuance of an equity security.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

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