Note 9 - Deferred Revenue (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025	May 31, 2025
Loss On Revenue	$ 3,471,399	$ 14,315,798	$ 21,973,016	$ 39,911,692
Pallets [Member]
Loss On Revenue			0	$ 817,981
Deferred Revenue, Current	$ 22,964		$ 22,964		$ 22,964