Note 12 - Segment and Geographic Information - Information by Geographic Location (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025
Net sales	$ 21,996,785	$ 19,072,066	$ 45,305,666	$ 40,410,459
Poland	$ 925,899	$ 1,070,263	$ 1,995,156	$ 2,354,382
Poland	100.00%	100.00%	100.00%	100.00%
Inside the USA to Unaffiliated Customers [Member]
Net sales	$ 6,967,402	$ 6,668,183	$ 14,424,169	$ 14,150,801
POLAND
Poland	$ 208,588	$ 185,499	$ 422,890	$ 405,510
Poland	22.50%	17.30%	21.20%	17.20%
JAPAN
Poland	$ 135,508	$ 122,548	$ 269,158	$ 271,086
Poland	14.60%	11.50%	13.50%	11.50%
THAILAND
Poland	$ 118,522	$ 86,721	$ 250,747	$ 201,382
Poland	12.80%	8.10%	12.60%	8.60%
Joint Ventures in Which the Company is a Shareholder Directly and Indirectly Outside the USA [Member]
Net sales	$ 599,610	$ 545,484	$ 1,021,305	$ 1,172,245
FINLAND
Poland	$ 113,740	$ 69,923	$ 229,580	$ 180,886
Poland	12.30%	6.50%	11.50%	7.70%
UNITED KINGDOM
Poland	$ 88,380	$ 68,804	$ 196,903	$ 185,029
Poland	9.50%	6.40%	9.90%	7.90%
SWEDEN
Poland	$ 86,368	$ 96,133	$ 180,748	$ 163,061
Poland	9.30%	9.00%	9.10%	6.90%
Unaffiliated Customers Outside the USA [Member]
Net sales	$ 14,429,773	$ 11,858,399	$ 29,860,192	$ 25,087,413
CZECHIA
Poland	$ 73,309	$ 61,340	$ 153,889	$ 133,972
Poland	7.90%	5.70%	7.70%	5.70%
GERMANY
Poland	$ 0	$ 201,728	$ 74,081	$ 408,056
Poland	0.00%	18.80%	3.70%	17.30%
KOREA, REPUBLIC OF
Poland	$ 26,550	$ 27,320	$ 71,539	$ 95,021
Poland	2.90%	2.60%	3.60%	4.00%
Other Countries [Member]
Net sales	$ 3,440,437	$ 2,283,035	$ 6,766,633	$ 4,713,112
Poland	$ 74,934	$ 150,247	$ 145,621	$ 310,379
Poland	8.20%	14.10%	7.20%	13.20%