Line of Credit - Additional Information (Details) - USD ($)		3 Months Ended
	Feb. 01, 2018	May 04, 2019	May 05, 2018	Feb. 02, 2019
Line Of Credit Facility [Line Items]
Minimum excess availability on Combined Loan Cap	10.00%	10.00%
Minimum amount excess availability on Combined Loan Cap	$ 7,000,000,000	$ 7,000,000
Payment of financing costs			$ 80,000
Outstanding borrowings under Credit Facility		26,200,000	15,200,000	$ 20,400,000
Letters of credit		6,297,000	7,327,000
Line of credit availability		$ 10,128,000	$ 20,223,000
Borrowings interest rate		4.53%	3.60%
Line of credit, outstanding borrowings		$ 27,509,000	$ 19,436,000
Line of credit borrowings during period		$ 32,300,000	$ 27,400,000
Senior Secured Revolving Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	50,000,000
Line of credit expiration date		Jan. 31, 2023
Unused line fee under the Credit Facility		0.25%
Credit Facility Description of Variable Rate Basis		The interest rate on outstanding borrowings is equal to, at the Company’s election, either 1) the lender’s base rate plus 0.50% or 2) a LIBOR rate plus 1.0%.
Deferred financing costs		$ 1,281,000
Senior Secured Revolving Credit Facility | Base Rate
Line Of Credit Facility [Line Items]
Applicable margin rate		0.50%
Senior Secured Revolving Credit Facility | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Applicable margin rate		1.00%
Term Loan
Line Of Credit Facility [Line Items]
Loan available for borrowing	$ 25,000,000
Line of credit expiration date	Jan. 31, 2023
Credit Facility Description of Variable Rate Basis		The interest rate on the Term Loan is equal to a LIBOR rate plus 9.0%.
Term Loan | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Applicable margin rate	9.00%