Note 19 - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 28, 2015	Nov. 29, 2014	Nov. 30, 2013
Numerator:
Net income	$ 20,433	$ 9,299	$ 5,096
Denominator:
Denominator for basic income per share - weighted average shares (in shares)	10,701,829	10,552,462	10,721,652
Effect of dilutive securities (in shares)	141,198	140,569	150,897
Denominator for diluted income per share — weighted average shares and assumed conversions (in shares)	10,843,027	10,693,031	10,872,549
Basic income per share:
Net income per share — basic (in dollars per share)	$ 1.91	$ 0.88	$ 0.48
Diluted income per share:
Net income per share — diluted (in dollars per share)	$ 1.88	$ 0.87	$ 0.47