Note 24 - Segment Reporting (Details Textual) $ in Thousands	3 Months Ended
	Aug. 31, 2023 USD ($)	Aug. 31, 2022 USD ($)
Number of Reportable Segments	4
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customers [Member]
Number Of Major Customers	0	0
Advisory Services Agreement With HEXO [Member] | Advisory Services Revenue [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,500	$ 7,753