Subsequent Event	6 Months Ended
Jan. 31, 2020
Subsequent Events [Abstract]
Subsequent Event	Note 15—Subsequent Event On February 5, 2020, the Company closed a registered direct offering of 1,734,459 shares of its Class B common stock for net proceeds of $2.16 million from both new and existing investors. As of January 31, 2020, the Company had received $275,000 from certain investors for the purchase of 214,844 shares and recorded that amount as additional paid-in capital although shares were not issued to these investors until the closing date of February 5, 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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