Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 3 months ended May 05, 2018 - USD ($) $ in Thousands	Total	Common Stock	Accumulated Deficit
Balance, beginning of period at Feb. 03, 2018	$ 140,761	$ 167,501	$ (26,740)
Balance, beginning of period (in shares) at Feb. 03, 2018	15,977,239	15,977,239
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock purchases	$ 82	$ 82
Issuance of common stock under employee stock purchase plan (in shares)		10,969
Stock Issued During Period, Value, Stock Options Exercised	23	$ 23
Exercise of stock options (in shares)		20,834
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	393	$ 393
Stock Repurchased and Retired During Period, Value	$ 2,972		2,972
Repurchase and retirement of common stock (in shares)	(315,548)	(315,548)
Net loss	$ (882)		(882)
Balance, end of period at May. 05, 2018	$ 137,405	$ 167,999	$ (30,594)
Balance, end of period (in shares) at May. 05, 2018	15,693,494	15,693,494