Related Party Transactions - B. Riley Loan (Details) - B. Riley Loan and Security Agreement - Medium-term Notes $ in Millions	6 Months Ended
Nov. 30, 2023 USD ($)
Related Party Transaction [Line Items]
Borrowings of related party debt	$ 8.0
Repayment of related party debt	44.5
Interest expense associated with loan	0.5
Total remaining unused capacity	$ 5.5

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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