Subsequent Event—Purchase of Shares and Warrants from Rafael Holdings, Inc.	3 Months Ended
Oct. 31, 2020
Subsequent Events [Abstract]
Subsequent Event—Purchase of Shares and Warrants from Rafael Holdings, Inc.	Note 16—Subsequent Event—Purchase of Shares and Warrants from Rafael Holdings, Inc. On December 7, 2020, the Company purchased, for aggregate consideration of $5.0 million, from Rafael 218,245 newly issued shares of Rafael’s Class B common stock and warrants to purchase up to 43,649 shares of Rafael’s Class B common stock at an exercise price of $22.91 at any time on or after December 7, 2020 and on or prior to June 6, 2022. The purchase price was based on a per share price of $22.91, which was the closing price of Rafael’s Class B common stock on the New York Stock Exchange on the trading day immediately preceding December 7, 2020.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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