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Stock-Based Compensation Plans (Summary Of Impact Of Stock Based Compensation Plans) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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May 25, 2019 | May 26, 2018 | May 27, 2017
Stock-Based Compensation Plans [Abstract] |  |  |
Income before income taxes | $ (6,570) | $ (6,033) | $ (6,068)
Net income | $ (6,539) | $ (5,697) | $ (3,962)
Net income per share, Basic | $ (0.21) | $ (0.19) | $ (0.12)
Net income per share, Diluted | $ (0.20) | $ (0.18) | $ (0.12)

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- Definition Impact of Stock Based Compensation on Earnings Per Share, Basic + References No definition available. + Details
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- Definition Impact of Stock Based Compensation on Earnings Per Share, Diluted + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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- Definition The amount of expense, net of income tax, 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 No definition available. + Details
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