Note 18 - Commitments and Contingencies (Tables)

6 Months Ended

Nov. 30, 2022

Notes Tables

Contractual Obligation, Fiscal Year Maturity [Table Text Block]

	Total		2023		2024		2025		2026		Thereafter
Long-term debt repayment	$	173,981	$	20,681	$	70,106	$	40,234	$	4,743	$	36,405
Convertible notes		449,070		189,830		259,240		—		—		—
Material purchase obligations		26,878		19,946		5,515		840		239		338
Construction commitments		5,433		5,433		—		—		—		—
Total	$	655,362	$	235,890	$	334,861	$	41,074	$	4,982	$	36,743

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

	Operating
	leases
2023	$	4,086
2024		2,971
2025		3,148
2026		3,038
Thereafter		5,369
Total minimum lease payments	$	18,612
Imputed interest		(2,637	)
Obligations recognized	$	15,975