Note 11 - Stock-Based Compensation (Tables)

6 Months Ended

Feb. 29, 2016

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Six Months Ended
	February 29, 2016			February 28, 2015
Dividend yield		0.00	%		0.00	%
Expected volatility		46.0	%		46.6	%
Expected life of option		10 years			10 years
Average risk-free interest rate		1.63	%		1.63	%