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Note 12 - Stock-Based Compensation (Tables)

12 Months Ended

Aug. 31, 2015

Notes Tables

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

		August 31, 2015				August 31, 2014				August 31, 2013
Dividend yield			0.00	%			0.00	%				0.00%
Expected volatility			46.6	%			47.4	%				48.0%
Expected life of option (years)			10				10				5	-	10
Weighted average risk-free interest rate			1.63	%			1.39	%				0.71%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Shares (#)				Weighted Average Exercise Price				Aggregate Intrinsic Value
Outstanding at August 31, 2012			203,873			$	10.01
Options granted			118,294				10.25
Options exercised			(37,040	)			9.96
Options exercised			(24,500	)			13.12
Outstanding at August 31, 2013			260,627			$	9.84
Options granted			56,373				14.83
Options exercised			(74,000	)			7.82
Options terminated			(4,000	)			8.57
Outstanding at August 31, 2014			239,000				11.66
Options granted			45,067				20.10
Options exercised			(38,333	)			9.00
Options terminated			(4,000	)			10.20
Outstanding at August 31, 2015			241,734			$	13.72			$	677,475
Exercisable at August 31, 2015			160,453			$	12.13			$	577,528

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



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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)



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