Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Aug. 02, 2019	Jul. 31, 2020	Aug. 02, 2019
Numerator:
Net loss	$ (1,227)	$ (10,260)	$ (8,763)	$ (18,530)
Denominator:
Weighted-average common shares outstanding (basic and diluted) (in shares)	81,417	80,674	81,177	80,571
Loss per common share:
Basic and Diluted (usd per share)	$ (0.02)	$ (0.13)	$ (0.11)	$ (0.23)
Weighted-average anti-dilutive stock options, non-vested restricted stock and restricted stock units (in shares)	6,584	5,246	5,949	5,351