Consolidated Statements of Operations (Unaudited) - USD ($)	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
NET SALES:
Net sales, excluding joint ventures	$ 71,190,801	$ 53,470,623
Net sales, to joint ventures	2,968,089	3,023,196
Total net sales	74,158,890	56,493,819
Cost of goods sold	51,090,298	36,920,814	[1]
Gross profit	23,068,592	19,573,005
JOINT VENTURE OPERATIONS:
Equity in income from joint ventures	4,725,918	7,465,214
Fees for services provided to joint ventures	5,767,682	5,964,260
To Total joint venture operations	10,493,600	13,429,474
OPERATING EXPENSES:
Selling expenses	13,038,180	12,016,974
General and administrative expenses	10,600,603	8,262,173
Research and development expenses	4,775,334	4,400,479
Total operating expenses	28,414,117	24,679,626
OPERATING INCOME	5,148,075	8,322,853
REMEASUREMENT GAIN ON ACQUISITION OF EQUITY METHOD INVESTEE	3,951,550	0
INTEREST INCOME	49,241	151,875
INTEREST EXPENSE	(89,096)	(16,086)
INCOME BEFORE INCOME TAX EXPENSE	9,059,770	8,458,642
INCOME TAX EXPENSE	1,873,836	1,461,905
NET INCOME	7,185,934	6,996,737
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	861,234	715,499
NET INCOME ATTRIBUTABLE TO NTIC	$ 6,324,700	$ 6,281,238
NET INCOME ATTRIBUTABLE TO NTIC PER COMMON SHARE:
Basic (in dollars per share)	$ 0.69	$ 0.69
Diluted (in dollars per share)	$ 0.66	$ 0.64
WEIGHTED AVERAGE COMMON SHARES ASSUMED OUTSTANDING:
Basic (in shares)	9,216,216	9,116,472
Diluted (in shares)	9,635,028	9,874,139
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.28	$ 0.195

[1] The percent of segment sales is calculated by dividing the direct cost of goods sold for each individual segment category by the net sales for each segment category.