Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
NET SALES:
Net sales	$ 20,181,675	$ 19,952,766
Cost of goods sold	12,847,401	13,599,642
Gross profit	7,334,274	6,353,124
JOINT VENTURE OPERATIONS:
Equity in income from joint ventures	1,102,241	1,189,404
Fees for services provided to joint ventures	1,248,958	1,181,805
Total joint venture operations	2,351,199	2,371,209
OPERATING EXPENSES:
Selling expenses	3,686,058	3,507,434
General and administrative expenses	3,517,061	3,130,599
Research and development expenses	1,105,921	1,256,724
Total operating expenses	8,309,040	7,894,757
OPERATING INCOME	1,376,433	829,576
INTEREST INCOME	46,442	6,168
INTEREST EXPENSE	(111,138)	(91,331)
INCOME BEFORE INCOME TAX EXPENSE	1,311,737	744,413
INCOME TAX EXPENSE	226,796	110,733
NET INCOME	1,084,941	633,680
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	189,420	131,438
NET INCOME ATTRIBUTABLE TO NTIC	$ 895,521	$ 502,242
NET INCOME ATTRIBUTABLE TO NTIC PER COMMON SHARE:
Basic (in dollars per share)	$ 0.09	$ 0.05
Diluted (in dollars per share)	$ 0.09	$ 0.05
WEIGHTED AVERAGE COMMON SHARES ASSUMED OUTSTANDING:
Basic (in shares)	9,427,588	9,317,680
Diluted (in shares)	9,706,581	9,718,931
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.07	$ 0.07