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Summary of Significant Accounting Policies (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Feb. 01, 2015
Property, Plant and Equipment [Line Items]
Property and equipment	$ 31,937	$ 24,910
Accumulated depreciation and amortization	(10,907)	(8,144)
Property and equipment net excluding construction in progress	21,030	16,766
Property and equipment, net	21,529	16,880
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,107	1,107
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	5,617	4,052
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 8,991	8,991
Property and equipment estimated useful Life	39 years
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 98	98
Warehouse Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	2,380	1,724
Office Equipment and Furniture [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	5,638	3,894
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,779	1,424
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 6,327	3,620
Property and equipment estimated useful Life	3 years
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 499	$ 114
Minimum [Member] | Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	15 years
Minimum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	5 years
Minimum [Member] | Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	5 years
Minimum [Member] | Warehouse Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	5 years
Minimum [Member] | Office Equipment and Furniture [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	3 years
Minimum [Member] | Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	3 years
Maximum [Member] | Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	40 years
Maximum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	15 years
Maximum [Member] | Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	10 years
Maximum [Member] | Warehouse Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	15 years
Maximum [Member] | Office Equipment and Furniture [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	10 years
Maximum [Member] | Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful Life	5 years

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Property And Equipment Net Excluding Construction In Progress

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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