Consolidated Statements of Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
BALANCE (in shares) at Aug. 31, 2022	9,232,483
BALANCE at Aug. 31, 2022	$ 184,650	$ 19,939,131	$ 50,716,613	$ (7,245,132)	$ 3,649,034	$ 67,244,296
Stock options exercised (in shares)	130,254
Stock options exercised	$ 2,605	413,958	0	0	0	416,563
Stock issued for employee stock purchase plan (in shares)	3,620
Stock issued for employee stock purchase plan	$ 72	38,624	0	0	0	38,696
Stock option expense	0	329,522	0	0	0	329,522
Dividend received by non-controlling interest	0	0	0	0	(80,000)	(80,000)
Dividends paid to shareholders	0	0	(655,645)	0	0	(655,645)
Net income	0	0	502,242	0	131,438	633,680
Other comprehensive income (loss)	$ 0	0	0	(60,704)	6,787	(53,917)
BALANCE (in shares) at Nov. 30, 2022	9,366,357
BALANCE at Nov. 30, 2022	$ 187,327	20,721,235	50,563,210	(7,305,836)	3,707,259	67,873,195
BALANCE (in shares) at Aug. 31, 2023	9,424,101
BALANCE at Aug. 31, 2023	$ 188,482	21,986,767	51,004,427	(6,823,403)	4,342,524	70,698,797
Stock options exercised (in shares)	0
Stock options exercised	$ 0	350,933	0	0	0	350,933
Stock issued for employee stock purchase plan (in shares)	3,496
Stock issued for employee stock purchase plan	$ 70	40,026	0	0	0	40,096
Dividend received by non-controlling interest	0	0	0	0	(800,000)	(800,000)
Dividends paid to shareholders	0	0	(659,932)	0	0	(659,932)
Net income	0	0	895,521	0	189,420	1,084,941
Other comprehensive income (loss)	$ 0	0	0	306,942	(5,623)	301,319
BALANCE (in shares) at Nov. 30, 2023	9,427,597
BALANCE at Nov. 30, 2023	$ 188,552	$ 22,377,726	$ 51,240,016	$ (6,516,461)	$ 3,726,321	$ 71,016,154