8. Employee Benefit Plans (Details) - Schedule of Net Benefit Costs - Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 02, 2015	Aug. 03, 2014	Aug. 02, 2015	Aug. 03, 2014
Net periodic benefit cost
Service cost	$ 101	$ 25	$ 202	$ 51
Interest cost	72	85	144	170
Actuarial gain	45	(13)	90	(26)
Net periodic benefit cost	$ 218	$ 97	$ 436	$ 195