Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Nov. 30, 2014	Nov. 30, 2013
NET SALES:
Net sales, excluding joint ventures	$ 6,480,991	$ 5,605,018
Net sales, to joint ventures	733,104	704,082
Total net sales	7,214,095	6,309,100
Cost of goods sold	4,806,611	4,158,031
Gross profit	2,407,484	2,151,069
JOINT VENTURE OPERATIONS:
Equity in income of joint ventures	1,606,683	1,427,748
Fees for services provided to joint ventures	2,133,670	2,109,648
Total joint venture operations	3,740,353	3,537,396
OPERATING EXPENSES:
Selling expenses	1,394,887	1,318,886
General and administrative expenses	1,538,262	1,387,496
Expenses incurred in support of joint ventures	527,117	329,264
Research and development expenses	1,049,913	1,138,520
Total operating expenses	4,510,179	4,174,166
OPERATING INCOME	1,637,658	1,514,299
INTEREST INCOME	15,127	1,789
INTEREST EXPENSE	(5,005)	(13,670)
INCOME BEFORE INCOME TAX EXPENSE	1,647,780	1,502,418
INCOME TAX EXPENSE	183,684	198,000
NET INCOME	1,464,096	1,304,418
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	455,831	445,832
NET INCOME ATTRIBUTABLE TO NTIC	$ 1,008,265	$ 858,586
NET INCOME ATTRIBUTABLE TO NTIC PER COMMON SHARE:
Basic (in Dollars per share)	$ 0.22	$ 0.19
Diluted (in Dollars per share)	$ 0.22	$ 0.19
WEIGHTED AVERAGE COMMON SHARES ASSUMED OUTSTANDING:
Basic (in Shares)	4,518,973	4,434,770
Diluted (in Shares)	4,659,621	4,552,669