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.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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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

+ 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

Date the equity-based award expires, in YYYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

+ References

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

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

+ Details

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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-Publisher FASB
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- Definition

Indicates method for determining cost for share-based payment arrangement by estimating expected forfeiture or recognizing forfeiture upon occurrence. Acceptable values are "Estimating expected forfeitures" and "Recognizing forfeitures when they occur".

+ References

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Stock-based Compensation (Details) $ / shares in Units, $ in Thousands			1 Months Ended				3 Months Ended		9 Months Ended
	Sep. 25, 2020 shares	Jul. 31, 2019 shares	Nov. 30, 2021 $ / shares shares	Nov. 30, 2020 $ / shares shares	Jan. 31, 2020 $ / shares shares	Apr. 30, 2014 shares	May 31, 2022 USD ($) Item shares	May 31, 2021 USD ($) shares	May 31, 2022 USD ($) Item shares	May 31, 2021 USD ($) shares
Stock-based Compensation
Number of share-based compensation plans \| Item							1		1
Additional number of shares authorized for issuance	400,000	500,000				250,000
Plan expiration date		Nov. 03, 2023
Maximum grant limit per employee per one year period		35,000
Shares of common stock reserved for issuance							1,421,000	1,421,000	1,421,000	1,421,000
Common stock available for future issuance (in shares)							820,000	1,037,000	820,000	1,037,000
Share-based Compensation, Forfeiture Method [Fixed List]									Estimating expected forfeitures
Estimated forfeiture rate (as a percent)							0.00%		0.00%
Stock-based compensation expense \| $							$ 132	$ 48	$ 329	$ 135
Cost of revenues
Stock-based Compensation
Stock-based compensation expense \| $							35	14	89	38
Research and development
Stock-based Compensation
Stock-based compensation expense \| $							36	11	90	30
Selling, general and administrative
Stock-based Compensation
Stock-based compensation expense \| $							$ 61	$ 23	$ 150	$ 67
Maximum
Stock-based Compensation
Vesting period									1 year
Directors \| Restricted Stock Units (RSUs)
Stock-based Compensation
Stock units granted (in shares)			15,000
Vesting percentage			25.00%
Grant-date fair value (in dollars per share) \| $ / shares			$ 7.10
Employees \| Restricted Stock Units (RSUs)
Stock-based Compensation
Stock units granted (in shares)			98,500	33,000	136,000
Vesting percentage			12.50%	25.00%	25.00%
Grant-date fair value (in dollars per share) \| $ / shares			$ 7.10	$ 3.00	$ 2.39
July Thirty One Two Thousand Twenty \| Directors \| Restricted Stock Units (RSUs)
Stock-based Compensation
Stock units granted (in shares)				15,000
Vesting percentage				25.00%
Grant-date fair value (in dollars per share) \| $ / shares				$ 3.00