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Note 11 - Stock-based Compensation (Tables)

9 Months Ended

May. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

		Nine Months Ended
		May 31, 2015				May 31, 2014
Dividend yield			0.00	%			0.00	%
Expected volatility			46.6	%			47.3	%
Expected life of option (years)			10				10
Average risk-free interest rate			1.63	%			1.36	%

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- References

No definition available.

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (f)(2)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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