XML 16 R6.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) | 3 Months Ended
--- | ---
Jul. 31, 2021 USD ($)
Statement of Stockholders' Equity [Abstract] |
Payments of Stock Issuance Costs | $ 5,959,800

X
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration