11. Employee Benefit Plans (Details) - Schedule of Net Benefit Costs - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2016	Aug. 02, 2015	Jul. 31, 2016	Aug. 02, 2015
SRIP:
Consolidated net periodic benefit costs	$ 243	$ 218	$ 487	$ 436
Supplemental Retirement Income Plan ("SRIP") [Member]
SRIP:
Service cost	94	101	187	202
Interest cost	85	72	170	144
Actuarial loss (gain)	(18)	45	(35)	90
Total	161	218	322	436
Supplemental Executive Retirement Plan ("SREP") [Member]
SRIP:
Interest cost	22	0	44	0
Total	22	0	44	0
Pension Plan [Member]
SRIP:
Interest cost	187	0	376	0
Expected return on pension plan assets	(197)	0	(395)	0
Expected administrative expenses	70	0	140	0
Total	$ 60	$ 0	$ 121	$ 0