Note 12 - Segment and Geographic Information - Schedule of Geographic Distribution of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Total net sales	$ 21,508,563	$ 20,686,197	$ 61,919,022	$ 61,710,410
CHINA
Total net sales	4,510,490	3,540,570	12,240,359	10,674,939
BRAZIL
Total net sales	1,517,904	1,508,680	4,418,778	4,365,170
INDIA
Total net sales	5,684,908	5,814,829	16,600,711	16,401,624
Other Countries [Member]
Total net sales	2,453,869	2,735,259	7,166,981	9,108,582
UNITED STATES
Total net sales	$ 7,341,392	$ 7,086,859	$ 21,492,193	$ 21,160,095