Note 23 - Fair Value Measurements (Tables)

3 Months Ended

Aug. 31, 2023

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

								August 31,
	Level 1		Level 2		Level 3			2023
Financial assets
Cash and cash equivalents	$	177,519	$	—	$	—		$	177,519
Restricted cash		1,613							1,613
Marketable securities		287,333		—		—			287,333
Convertible notes receivable		—		—		74,681			74,681
Equity investments measured at fair value		1,078		986		5,500			7,564
Financial liabilities
Warrant liability		—		—		(10,015	)		(10,015	)
Contingent consideration		—		—		(20,181	)		(20,181	)
APHA 24 Convertible debenture		—		—		(124,453	)		(124,453	)
Total recurring fair value measurements	$	467,543	$	986	$	(74,468	)	$	394,061

								May 31,
	Level 1		Level 2		Level 3			2023
Financial assets
Cash and cash equivalents	$	206,632	$	—	$	—		$	206,632
Restricted cash		—		—		—			—
Marketable Securities		241,897		—		—			241,897
Convertible notes receivable		—		—		103,401			103,401
Equity investments measured at fair value		1,056		1,088		5,651			7,795
Financial liabilities
Warrant liability		—		—		(1,817	)		(1,817	)
Contingent consideration		—		—		(27,107	)		(27,107	)
APHA 24 Convertible debenture		—		—		(120,568	)		(120,568	)
Total recurring fair value measurements	$	449,585	$	1,088	$	(40,440	)	$	410,233

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

														APHA 24
	Convertible			Equity			Warrant			Contingent			Convertible
	notes receivable			Investments			Liability			Consideration			Debt
Balance, May 31, 2023	$	103,401		$	5,651		$	(1,817	)	$	(27,107	)	$	(120,568	)
Additions		—			—			—			(4,181	)		—
Disposals		(28,720	)		—			—			—			—
Unrealized gain (loss) on fair value		—			(151	)		(8,198	)		11,107			(3,885	)
Impairments		—						—			—			—
Balance, August 31, 2023	$	74,681		$	5,500		$	(10,015	)	$	(20,181	)	$	(124,453	)

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

		Significant
	Valuation	unobservable
Financial asset / financial liability	technique	input	Inputs
APHA Convertible debentures	Black-Scholes	Volatility,	50%
		expected life (in years)	0.8
Warrant liability	Black-Scholes	Volatility,	50%
		expected life (in years)	1.5
Contingent consideration	Discounted cash flows	Discount rate,	5% - 11%
		achievement	25% - 90%