Long-Term Debt - Additional Information (Details) - USD ($)			4 Months Ended	12 Months Ended
	Apr. 07, 2017	Mar. 25, 2016	Jan. 31, 2015	Jan. 28, 2017	Jan. 30, 2016
Debt Instrument [Line Items]
Long-term debt				$ 39,702,000
Equipment Loan
Debt Instrument [Line Items]
Percentage of interest on equipment financing arrangement			3.38%
Monthly payments for equipment financing arrangement			$ 272,000
Debt instrument maturity date			Dec. 31, 2019
Outstanding borrowings under equipment note				$ 9,302,000	$ 12,199,000
Subsequent Event
Debt Instrument [Line Items]
Minimum excess availability on Combined Loan Cap	10.00%
Minimum amount excess availability on Combined Loan Cap	$ 10,000,000
Term Loan
Debt Instrument [Line Items]
Long-term debt		$ 32,000,000
Line of credit maturity date		Mar. 25, 2021
Credit Facility Description of Variable Rate Basis				The interest rate on the Term Loan is equal to a LIBOR rate (with a 1.00% LIBOR floor) plus 7.50%.
Debt Instrument, frequency of periodic payment				Quarterly
Debt instrument, payment terms				The Term Loan can be prepaid at the Company's option subject to certain restrictions, in part or in whole at any time, subject to the payment of a prepayment premium as follows: 1) 3% on or prior to the first anniversary of the closing date, 2) 2% from the first anniversary to the second anniversary of the closing date, and 3) 1% after the second anniversary but on or prior to the third anniversary of the closing date.
Dividends payment or share repurchases prohibition period				3 years
EBITDA requirement				$ 19,000,000
Limitation on capital expenditures for four fiscal quarters ending February 3, 2018				10,500,000
Limitation on capital expenditures for four fiscal quarters ending May 5, 2018 and thereafter				17,000,000
Deferred financing costs				1,491,000
Term Loan | Subsequent Event
Debt Instrument [Line Items]
Additional reserve against availability under credit facility that will be reduced for prepayment of term loan	$ 5,000,000
Minimum excess availability on Combined Loan Cap	10.00%
Minimum amount excess availability on Combined Loan Cap	$ 10,000,000
Capital expenditure, subject to carryforward percentage	50.00%
Term Loan | Minimum
Debt Instrument [Line Items]
Debt instruments, periodic payments, principal		$ 800,000
Term Loan | Maximum
Debt Instrument [Line Items]
EBITDA future requirement				30,000,000
Limitation on capital expenditures				$ 16,000,000
Term Loan | On or Prior to the First Anniversary of the closing Date
Debt Instrument [Line Items]
Debt instrument, prepayment option percentage		3.00%
Term Loan | From the First Anniversary to the Second Anniversary of the closing Date
Debt Instrument [Line Items]
Debt instrument, prepayment option percentage		2.00%
Term Loan | After the Second Anniversary but On or Prior to the Third Anniversary of the Closing Date
Debt Instrument [Line Items]
Debt instrument, prepayment option percentage		1.00%
Term Loan | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, interest rate		1.00%
Applicable margin rate		7.50%