Represents the percentage of estimated future forfeiture rate for stock-based awards.

No definition available.

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- Definition

Represents the number of share-based compensation plans approved by the board of directors and stockholders of the entity.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage vesting on the earlier of the first anniversary of the vesting start date and the date of the next annual meeting.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award percentage vesting of awards granted per anniversary of the vesting start date.

+ References

No definition available.

+ Details

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Aggregate number of common shares reserved for future issuance.

+ 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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ 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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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- Definition

Indicates method to determine compensation cost for share-based payments by estimating expected forfeitures or recognizing forfeitures when they occur. Acceptable values are "Estimating expected forfeitures" and "Recognizing forfeitures when they occur".

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 35
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=79507207&loc=d3e4549-113899

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- Details

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- Details

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Stock-based Compensation (Details) $ / shares in Units, $ in Thousands	1 Months Ended					3 Months Ended		6 Months Ended
	Mar. 31, 2018	Jan. 31, 2018 $ / shares shares	Nov. 30, 2017 $ / shares shares	Mar. 31, 2017 $ / shares shares	Apr. 30, 2014 shares	Feb. 28, 2018 USD ($) item shares	Feb. 28, 2017 USD ($) shares	Feb. 28, 2018 USD ($) item shares	Feb. 28, 2017 USD ($) shares
Stock-based Compensation
Number of share-based compensation plans \| item						1		1
Additional number of shares authorized for issuance					250,000
Shares of common stock reserved for issuance						114,000	521,000	114,000	521,000
Common stock available for future issuance (in shares)						196,000	338,000	196,000	338,000
Share-based Compensation, Forfeiture Method [Fixed List]								Estimating expected forfeitures
Estimated forfeiture rate (as a percent)						0.00%		0.00%
Stock-based compensation expense \| $						$ 24	$ 81	$ 48	$ 164
Cost of revenues
Stock-based Compensation
Stock-based compensation expense \| $						7	16	14	33
Research and development
Stock-based Compensation
Stock-based compensation expense \| $						3	3	6	5
Selling, general and administrative
Stock-based Compensation
Stock-based compensation expense \| $						$ 14	$ 62	$ 28	$ 126
Officer and Employees \| Restricted stock unit
Stock-based Compensation
Stock units granted (in shares)		56,700
Vesting percentage per anniversary of the vesting start date		50.00%
Grant-date fair value (in dollars per share) \| $ / shares		$ 4.10
Directors \| Restricted stock unit
Stock-based Compensation
Stock units granted (in shares)			2,500	5,000
Grant-date fair value (in dollars per share) \| $ / shares			$ 4.15	$ 3.18
Directors \| Restricted stock unit \| Subsequent Event
Stock-based Compensation
Vesting percentage	100.00%