Credit Agreements (Details) (USD $)	3 Months Ended	0 Months Ended	3 Months Ended
	May 02, 2015	Feb. 01, 2014	May 03, 2014	Jan. 31, 2015	Mar. 06, 2015	Jan. 31, 2014	Feb. 09, 2012
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months	$ 1,429,000
Document Period End Date	May 02, 2015
Long-term Line of Credit, Noncurrent	57,245,000			50,971,000
Long-term Debt, Maturities, Repayments of Principal in Year Two	2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Three	2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Four	53,494,000
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Long term, Total Credit Facility	59,209,000			52,707,000
Line of Credit, Current	(1,964,000)			(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	30,000,000
Earmarked for Distribution Facility Expansion	3,000,000
Interest Expense, Debt	593,000		390,000
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						856,000	466,000
2014 Line Of Credit Amendment - PNC Bank, N.A. [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	45,000,000			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	14,209,000			12,007,000
Long term, Total Credit Facility	59,209,000			52,707,000
Line of Credit, Current	(1,964,000)			(1,736,000)
Long-term Debt, Excluding Current Maturities	57,245,000			50,971,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months	1,429,000
Long-term Debt, Maturities, Repayments of Principal in Year Two	2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Three	2,143,000
Long-term Debt, Maturities, Repayments of Principal in Year Four	8,494,000
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Long term, Total Credit Facility	14,209,000
Line of Credit [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months	0
Long-term Debt, Maturities, Repayments of Principal in Year Two	0
Long-term Debt, Maturities, Repayments of Principal in Year Three	0
Long-term Debt, Maturities, Repayments of Principal in Year Four	45,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Long term, Total Credit Facility	$ 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%