Note 13 - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
May 28, 2016	May 30, 2015	May 28, 2016	May 30, 2015
Basic earnings per share	$ 3,385	$ 4,529	$ 6,619	$ 10,485
Basic earnings per share (in shares)	10,767,082	10,678,298	10,773,656	10,579,477
Basic earnings per share (in dollars per share)	$ 0.31	$ 0.42	$ 0.61	$ 0.99
Options and restricted shares (in shares)	145,609	165,918	142,584	171,720
Diluted earnings per share	$ 3,385	$ 4,529	$ 6,619	$ 10,485
Diluted earnings per share (in shares)	10,912,691	10,844,216	10,916,240	10,751,197
Diluted earnings per share (in dollars per share)	$ 0.31	$ 0.42	$ 0.61	$ 0.98

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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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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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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