Note 7 - Convertible Notes Receivable (Details Textual) $ in Thousands		3 Months Ended
Aug. 31, 2021 USD ($) shares	Aug. 31, 2023 USD ($)
Stock Issued During Period, Value, Acquisitions		$ 65,162
MM Notes [Member]
Financing Receivable, before Allowance for Credit Loss, Total	$ 165,799
Notes Receivable, SOFR Floor	2.50%
MM Notes [Member] \| Convertible Debt [Member]
Interest Income, Purchased Receivables		$ 0
MM Notes [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Notes Receivable, Measurement Input	0.0350
MM Notes [Member] \| Measurement Input, Price Volatility [Member]
Notes Receivable, Measurement Input	0.70
MM Notes [Member] \| Measurement Input, Forfeiture Rate [Member]
Notes Receivable, Measurement Input	0
MM Notes [Member] \| Measurement Input, Expected Dividend Rate [Member]
Notes Receivable, Measurement Input	0
MM Notes [Member] \| Measurement Input, Probability of Legalization [Member] \| Minimum [Member]
Notes Receivable, Measurement Input	0
MM Notes [Member] \| Measurement Input, Probability of Legalization [Member] \| Maximum [Member]
Notes Receivable, Measurement Input	0.60
MM Notes [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Notes Receivable, Interest Rate, Basis Spread on Variable Rate	6.00%
Superhero Acquisition LP [Member]
Noncontrolling Interest, Ownership Percentage by Parent	68.00%	68.00%
The MM Notes and MM Warrants [Member]
Stock Issued During Period, Shares, Acquisitions (in shares) \| shares	9,817,061
Stock Issued During Period, Value, Acquisitions	$ 117,804

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Interest earned from receivables purchased; for instance, receivables purchased through a factoring arrangement.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Number of shares of stock issued during the period pursuant to acquisitions.

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