Note 10 - Earnings Per Share (Tables)

9 Months Ended

Oct. 31, 2015

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended					Nine Months Ended
	October 31 , 201 5		November 1 , 201 4			October 31 , 201 5		November 1 , 201 4
Numerator:
Net income (loss), as reported	$	6,435	$	(557	)	$	6,349	$	(18,091	)
Denominator:
Weighted-average common shares outstanding - basic		36,046		34,790			35,670		34,578
Dilutive effect of employee stock plans		739		-			845		-
Weighted-average common shares outstanding - diluted		36,785		34,790			36,515		34,578
Net income (loss) per share - basic	$	0.18	$	(0.02	)	$	0.18	$	(0.52	)
Net income (loss) per share - diluted	$	0.17	$	(0.02	)	$	0.17	$	(0.52	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended				Nine Months Ended
	October 31 , 201 5		November 1 , 201 4		October 31 , 201 5		November 1 , 201 4
Stock options		2,380		3,933		2,415		3,947
Restricted stock units and awards		412		738		151		463