Note 20 - Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Nov. 29, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	2014
	First Quarter (1)(2)		Second Quarter		Third Quarter		Fourth Quarter
Net sales	$	75,647	$	85,185	$	85,186	$	94,720
Gross profit		40,253		45,313		45,018		51,837
Net income		843		2,551		2,256		3,649
Basic earnings per share		0.08		0.24		0.22		0.35
Diluted earnings per share		0.08		0.24		0.21		0.35

	2013
	First Quarter (1)		Second Quarter		Third Quarter (3)		Fourth Quarter (4)
Net sales	$	79,849	$	81,223	$	77,152	$	83,062
Gross profit		41,360		41,826		38,723		44,085
Net income (loss)		980		1,953		556		1,607
Basic earnings (loss) per share		0.09		0.18		0.05		0.15
Diluted earnings (loss) per share		0.09		0.18		0.05		0.15