9. Intangible Assets (Details) - Schedule of Finite-Lived Intangible Assets - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2016	Aug. 02, 2015	Jul. 31, 2016	Aug. 02, 2015
Finite-Lived Intangible Assets [Line Items]
Balance at January 31, 2016			$ 0
Intangibles- HMI acquisition			16,400
Amortization	$ (813)	$ 0	(2,467)	$ 0
Balance at July 31, 2016	13,933		13,933
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Balance at January 31, 2016			0
Intangibles- HMI acquisition			14,400
Amortization			(661)
Balance at July 31, 2016	13,739		13,739
Order or Production Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Balance at January 31, 2016			0
Intangibles- HMI acquisition			1,800
Amortization			(1,800)
Balance at July 31, 2016	0		0
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Balance at January 31, 2016			0
Intangibles- HMI acquisition			200
Amortization			(6)
Balance at July 31, 2016	$ 194		$ 194