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Note 10 - Net Income Per Common Share - Reconciliation of the Earnings Per Share Computations (Details) - USD ($)	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Net income (loss) attributable to NTIC	$ 297,639	$ (234,351)
Basic – weighted shares outstanding (in shares)	4,531,950	4,538,371
Weighted shares assumed upon exercise of stock options (in shares)	26,928
Diluted – weighted shares outstanding (in shares)	4,558,878	4,538,371
Basic earnings (loss) per share: (in dollars per share)	$ 0.07	$ (0.05)
Diluted earnings (loss) per share: (in dollars per share)	$ 0.07	$ (0.05)

X

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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