Note 11 - Segment and Geographic Information - Net Sales by Segment (Details) - USD ($)	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Net sales	$ 20,181,675	$ 19,952,766
Total Fees	$ 1,248,958	$ 1,181,805
Total Fees percentage	100.00%	100.00%
GERMANY
Total Fees	$ 205,643	$ 193,828
Total Fees percentage	16.50%	16.40%
POLAND
Total Fees	$ 198,017	$ 186,696
Total Fees percentage	15.90%	15.80%
JAPAN
Total Fees	$ 136,081	$ 147,920
Total Fees percentage	10.90%	12.50%
FRANCE
Total Fees	$ 121,966	$ 109,357
Total Fees percentage	9.80%	9.30%
SWEDEN
Total Fees	$ 110,536	$ 100,436
Total Fees percentage	8.90%	8.50%
FINLAND
Total Fees	$ 103,744	$ 90,432
Total Fees percentage	8.30%	7.70%
THAILAND
Total Fees	$ 79,438	$ 82,956
Total Fees percentage	6.40%	7.00%
CZECHIA
Total Fees	$ 77,812	$ 80,332
Total Fees percentage	6.20%	6.80%
KOREA, REPUBLIC OF
Total Fees	$ 74,957	$ 63,395
Total Fees percentage	6.00%	5.40%
UNITED KINGDOM
Total Fees	$ 63,149	$ 57,691
Total Fees percentage	5.10%	4.90%
Other Countries [Member]
Net sales	$ 2,560,757	$ 2,513,620
Total Fees	$ 77,615	$ 68,762
Total Fees percentage	6.20%	5.70%
ZERUST [Member]
Net sales	$ 15,405,745	$ 15,370,001
NaturTec [Member]
Net sales	$ 4,775,930	$ 4,582,765