Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Nov. 30, 2015	Nov. 30, 2014
NET SALES:
Net sales, excluding joint ventures	$ 6,501,410	$ 6,480,991
Net sales, to joint ventures	523,027	733,104
Total net sales	7,024,437	7,214,095
Cost of goods sold	4,875,423	4,806,611
Gross profit	2,149,014	2,407,484
JOINT VENTURE OPERATIONS:
Equity in income of joint ventures	983,753	1,606,683
Fees for services provided to joint ventures	1,485,429	2,133,670
Total joint venture operations	2,469,182	3,740,353
OPERATING EXPENSES:
Selling expenses	1,525,083	1,394,887
General and administrative expenses	1,857,613	1,538,262
Expenses incurred in support of joint ventures	316,994	527,117
Research and development expenses	1,004,097	1,049,913
Total operating expenses	4,703,787	4,510,179
OPERATING (LOSS) INCOME	(85,591)	1,637,658
INTEREST INCOME	14,173	15,127
INTEREST EXPENSE	(4,726)	(5,005)
(LOSS) INCOME BEFORE INCOME TAX EXPENSE	(76,144)	1,647,780
INCOME TAX (BENEFIT) EXPENSE	(3,502)	183,684
NET (LOSS) INCOME	(72,642)	1,464,096
NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS	161,709	455,831
NET (LOSS) INCOME ATTRIBUTABLE TO NTIC	$ (234,351)	$ 1,008,265
NET (LOSS) INCOME ATTRIBUTABLE TO NTIC PER COMMON SHARE:
Basic (in dollars per share)	$ (0.05)	$ 0.22
Diluted (in dollars per share)	$ (0.05)	$ 0.22
WEIGHTED AVERAGE COMMON SHARES ASSUMED OUTSTANDING:
Basic (in shares)	4,538,371	4,518,973
Diluted (in shares)	4,538,371	4,659,621