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Note 5 - Diluted Net Income Per Share - Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 26, 2017	Nov. 27, 2016	Nov. 26, 2017	Nov. 27, 2016
Numerator:
Net income applicable to Common Stockholders	$ 487	$ 1,326	$ 2,633	$ 4,638
Denominator:
Weighted average shares for basic net income per share (in shares)	27,518	27,249	27,512	27,234
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	357	369	354	338
Weighted average shares for diluted net income per share (in shares)	27,875	27,618	27,866	27,572
Diluted net income per share (in dollars per share)	$ 0.02	$ 0.05	$ 0.09	$ 0.17

X

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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