Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options [Member]	9 Months Ended
May 31, 2017 $ / shares shares
Number of Stock Options, Outstanding at August 31, 2016 \| shares	631,250
Number of Stock Options, Granted \| shares
Number of Stock Options, Exercised \| shares	(62,500)
Number of Stock Options, Forfeited \| shares
Number of Stock Options, Outstanding at May 31, 2017 \| shares	568,750
Number of Stock Options, Options vested and exercisable at May 31, 2017 \| shares	568,750
Weighted Average Exercise Price Per Share, Outstanding at August 31, 2016 \| $ / shares	$ 11.41
Weighted Average Exercise Price Per Share, Granted \| $ / shares
Weighted Average Exercise Price Per Share, Exercised \| $ / shares	9.00
Weighted Average Exercise Price Per Share, Forfeited \| $ / shares
Weighted Average Exercise Price Per Share, Outstanding at May 31, 2017 \| $ / shares	11.67
Weighted Average Exercise Price Per Share, Options vested and exercisable at May 31, 2017 \| $ / shares	$ 11.67

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested And Exercisable, Number

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested And Exercisable, Weighted Average Exercise Price

+ References

No definition available.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ 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 (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options [Member]	9 Months Ended
	May 31, 2017 $ / shares shares
Number of Stock Options, Outstanding at August 31, 2016 \| shares	631,250
Number of Stock Options, Granted \| shares
Number of Stock Options, Exercised \| shares	(62,500)
Number of Stock Options, Forfeited \| shares
Number of Stock Options, Outstanding at May 31, 2017 \| shares	568,750
Number of Stock Options, Options vested and exercisable at May 31, 2017 \| shares	568,750
Weighted Average Exercise Price Per Share, Outstanding at August 31, 2016 \| $ / shares	$ 11.41
Weighted Average Exercise Price Per Share, Granted \| $ / shares
Weighted Average Exercise Price Per Share, Exercised \| $ / shares	9.00
Weighted Average Exercise Price Per Share, Forfeited \| $ / shares
Weighted Average Exercise Price Per Share, Outstanding at May 31, 2017 \| $ / shares	11.67
Weighted Average Exercise Price Per Share, Options vested and exercisable at May 31, 2017 \| $ / shares	$ 11.67