Note 11 - Segment and Geographic Information - Net Sales by Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Net sales	$ 20,842,538	$ 18,270,825	$ 41,024,213	$ 38,223,591
Poland	$ 1,303,059	$ 1,252,746	$ 2,552,017	$ 2,434,551
Poland	100.00%	100.00%	100.00%	100.00%
POLAND
Poland	$ 217,786	$ 199,927	$ 412,383	$ 396,792
Poland	16.70%	16.00%	16.20%	16.30%
GERMANY
Poland	$ 206,740	$ 202,964	$ 415,803	$ 386,623
Poland	15.90%	16.20%	16.30%	15.90%
FRANCE
Poland	$ 195,176	$ 118,938	$ 248,076	$ 301,715
Poland	15.00%	9.50%	9.70%	12.40%
JAPAN
Poland	$ 111,995	$ 153,795	$ 317,142	$ 228,295
Poland	8.60%	12.30%	12.40%	9.40%
SWEDEN
Poland	$ 102,984	$ 112,615	$ 213,520	$ 213,051
Poland	7.90%	9.00%	8.40%	8.80%
FINLAND
Poland	$ 95,748	$ 91,620	$ 199,492	$ 182,052
Poland	7.30%	7.30%	7.80%	7.50%
THAILAND
Poland	$ 90,264	$ 91,601	$ 169,702	$ 174,557
Poland	6.90%	7.30%	6.60%	7.20%
CZECHIA
Poland	$ 84,789	$ 91,001	$ 162,601	$ 171,333
Poland	6.50%	7.30%	6.40%	7.00%
KOREA, REPUBLIC OF
Poland	$ 63,381	$ 65,803	$ 138,338	$ 129,197
Poland	4.90%	5.30%	5.40%	5.30%
UNITED KINGDOM
Poland	$ 55,101	$ 65,648	$ 118,251	$ 123,339
Poland	4.20%	5.20%	4.60%	5.10%
Other Countries [Member]
Net sales	$ 3,812,566	$ 3,076,885	$ 6,373,323	$ 5,590,505
Poland	$ 79,095	$ 58,834	$ 156,709	$ 127,597
Poland	6.10%	4.70%	6.10%	5.20%
ZERUST [Member]
Net sales	$ 15,218,095	$ 14,458,747	$ 30,623,840	$ 29,828,748
NaturTec [Member]
Net sales	$ 5,624,443	$ 3,812,078	$ 10,400,373	$ 8,394,843