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Balance Sheet Components (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Feb. 28, 2014	Aug. 31, 2013
Intangible Assets
Gross Carrying Amount	$ 1,911	$ 3,029
Accumulated Amortization and Impairment	430	1,650
Total	1,481	1,379
Patents and trademarks
Intangible Assets
Weighted Average Amortization Period	14 years	15 years
Gross Carrying Amount	1,201	973
Accumulated Amortization and Impairment	205	161
Total	996	812
Acquired technology
Intangible Assets
Weighted Average Amortization Period	5 years	5 years
Gross Carrying Amount	710	719
Accumulated Amortization and Impairment	225	152
Total	485	567
Customer relationships
Intangible Assets
Weighted Average Amortization Period		5 years
Gross Carrying Amount		1,337
Accumulated Amortization and Impairment		1,337
Impairment of Long-Lived Assets
Impairment charge of finite lived asset		$ 851

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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