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Note 4 - Stock-based Compensation (Tables)

6 Months Ended

Nov. 26, 2017

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended								Six Months Ended
		November 26, 2017				November 27 , 2016				November 26, 2017				November 27 , 2016
Options		$	354			$	307			$	678			$	599
RSUs			762				659				1,388				1,174
Total stock-based compensation		$	1,116			$	966			$	2,066			$	1,773

		Three Months Ended								Six Months Ended
		November 26, 2017				November 27 , 2016				November 26, 2017				November 27 , 2016
Cost of sales		$	137			$	124			$	261			$	237
Re search and development			23				23				42				46
Selling, general and administrative			956				819				1,763				1,490
Total stock-based compensation		$	1,116			$	966			$	2,066			$	1,773

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ 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 (h)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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 S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration