Credit Agreements (Details) - USD ($)		3 Months Ended		6 Months Ended
	Feb. 01, 2014	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014	Mar. 06, 2015	Jan. 31, 2015	Jan. 31, 2014	Feb. 09, 2012
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months		$ 1,072,000		$ 1,072,000
Document Period End Date				Aug. 01, 2015
Long-term Line of Credit, Noncurrent		56,709,000		$ 56,709,000			$ 50,971,000
Long-term Debt, Maturities, Repayments of Principal in Year Two		2,143,000		2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Three		2,143,000		2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Four		53,494,000		53,494,000
Long-term Debt, Maturities, Repayments of Principal in Year Five		0		0
Long term, Total Credit Facility		58,852,000		58,852,000			52,707,000
Line of Credit, Current		(2,143,000)		(2,143,000)			(1,736,000)
2015 Line Of Credit Agreement - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity						$ 75,000,000
Line of Credit, Accordion Feature						15,000,000
2012 Line Of Credit Agreement - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date Range, End	5 years
Line of Credit Facility, Capacity Available for Trade Purchases								$ 6,000,000
Line of Credit Facility, Remaining Borrowing Capacity		28,000,000		28,000,000
Earmarked for Distribution Facility Expansion		3,000,000		3,000,000
Interest Expense, Debt		668,000	$ 383,000	1,260,000	$ 774,000
Debt Instrument, Covenant Compliance, Minimum Unrestricted Cash Requirement								10,000,000
Debt Instrument, Covenant Compliance, Minimum Unrestricted Cash Threshold for Additional Covenants								16,000,000
Deferred Finance Costs, Noncurrent, Net								$ 877,000	$ 466,000
2014 Line Of Credit Amendment - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Long-term Line of Credit		45,000,000		45,000,000			40,700,000
Line of Credit Facility, Maximum Borrowing Capacity						$ 15,000,000
Debt Instrument, Term	84 months
Mandatory Prepayment Percentage	50.00%
Mandatory Prepayment Maximum Amount	$ 2,000,000
Long-term Debt		13,852,000		13,852,000			12,007,000
Long term, Total Credit Facility		58,852,000		58,852,000			52,707,000
Line of Credit, Current		(2,143,000)		(2,143,000)			(1,736,000)
Long-term Debt, Excluding Current Maturities		56,709,000		56,709,000			$ 50,971,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months		1,072,000		1,072,000
Long-term Debt, Maturities, Repayments of Principal in Year Two		2,143,000		2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Three		2,143,000		2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Four		8,494,000		8,494,000
Long-term Debt, Maturities, Repayments of Principal in Year Five		0		0
Long term, Total Credit Facility		13,852,000		13,852,000
Line of Credit [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months		0		0
Long-term Debt, Maturities, Repayments of Principal in Year Two		0		0
Long-term Debt, Maturities, Repayments of Principal in Year Three		0		0
Long-term Debt, Maturities, Repayments of Principal in Year Four		45,000,000		45,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Five		0		0
Long term, Total Credit Facility		$ 45,000,000		$ 45,000,000
LIBOR [Member] | 2012 Line Of Credit Agreement - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.00%
LIBOR [Member] | 2014 Line Of Credit Amendment - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	6.00%
LIBOR Rate Period One	1 month
LIBOR Rate Period Two	2 months
LIBOR Rate Period Three	3 months
LIBOR Rate Period Four	6 months
Debt Instrument Minimum Basis Spread	5.00%
Debt Instrument Maximum Basis Spread	6.00%
Base Rate Option [Member] | 2014 Line Of Credit Amendment - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	5.00%
Debt Instrument Minimum Basis Spread	4.00%
Debt Instrument Maximum Basis Spread	5.00%
Year Three [Member] | 2012 Line Of Credit Agreement - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Debt Early Termination Fee	0.50%