Note 9 - Stockholders' Equity

3 Months Ended

Nov. 30, 2015

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

9.     STOCKHOLDERS’ EQUITY

During the three months ended November 30, 2015, the Company repurchased and retired 3,166 shares of its common stock at a price of $15.07 per share. No stock options to purchase shares of common stock were exercised during the three months ended November 30, 2015

The Company granted stock options under the Northern Technologies International Corporation Amended and Restated 2007 Stock Incentive Plan (the 2007 Plan) to purchase an aggregate of 53,447 shares of its common stock to various employees and directors during the three months ended November 30, 2015. The weighted average per share exercise price of the stock options is $14.85, which is equal to the fair market value of the Company’s common stock on the date of grant.

During the three months ended November 30, 2014, the Company did not purchase or retire any shares of its common stock. The following stock options to purchase shares of common stock were exercised during the three months ended November 30, 2014:

Options Exercised		Exercise Price
	18,000	$	7.65

The Company granted stock options under the 2007 Plan to purchase an aggregate of 45,067 shares of its common stock to various employees and directors during the three months ended November 30, 2014. The weighted average per share exercise price of the stock options is $20.10, which is equal to the fair market value of the Company’s common stock on the date of grant.