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Capital Stock and Changes in Capital Accounts, Warrants (Details) - The Learning House, Inc. [Member] - Warrants [Member] - USD ($) $ / shares in Units, $ in Millions	Nov. 01, 2018	Apr. 30, 2022	Oct. 31, 2018
Acquisitions [Abstract]
Issuance of warrants	$ 0.6
Term of warrants		3 years
Class A Common Stock [Member]
Acquisitions [Abstract]
Number of shares of common stock warrant holders are allowed to purchase (in shares)			400,000
Exercise price per share (in dollars per share)			$ 90.00

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Exercise price per share or per unit of warrants or rights outstanding.

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