Note 12 - Segment and Geographic Information - Cost of Goods Sold by Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025
Cost of goods sold	$ 14,138,899	$ 12,276,482	$ 29,064,154	$ 25,451,922
Indirect Cost of Goods Sold [Member]
Cost of goods sold	746,003	942,451	1,527,338	1,750,002
ZERUST [Member] \| Direct Cost of Goods Sold [Member]
Cost of goods sold	$ 9,644,157	$ 8,096,177	$ 19,795,418	$ 16,774,883
ZERUST®	58.00%	57.40%	58.30%	56.70%
NaturTec [Member] \| Direct Cost of Goods Sold [Member]
Cost of goods sold	$ 3,748,739	$ 3,237,854	$ 7,741,398	$ 6,927,037
ZERUST®	69.90%	65.30%	68.20%	64.00%

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.