CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Revision of Prior Period, Accounting Standards Update, Adjustment	Common Stock	Accumulated Deficit	Accumulated Deficit Revision of Prior Period, Accounting Standards Update, Adjustment
Balance, beginning of period at Feb. 02, 2019	$ 130,800		$ 169,477	$ (38,677)
Balance, beginning of period (Cumulative Effect of Change in Accounting Principle) at Feb. 02, 2019		$ (331)			$ (331)
Balance, beginning of period (in shares) at Feb. 02, 2019			14,504,824
Increase (Decrease) in Stockholders Equity [Roll Forward]
Employee stock purchases	68		$ 68
Employee stock purchases (in shares)			6,880
Stock-based compensation expense	560		$ 560
Repurchase and retirement of common stock	(2,368)			(2,368)
Repurchase and retirement of common stock (in shares)			(287,056)
Net loss	(8,921)			(8,921)
Balance, end of period at May. 04, 2019	119,808		$ 170,105	(50,297)
Balance, end of period (in shares) at May. 04, 2019			14,224,648
Balance, beginning of period at Feb. 02, 2019	$ 130,800		$ 169,477	(38,677)
Balance, beginning of period (Cumulative Effect of Change in Accounting Principle) at Feb. 02, 2019		$ (331)			$ (331)
Balance, beginning of period (in shares) at Feb. 02, 2019			14,504,824
Increase (Decrease) in Stockholders Equity [Roll Forward]
Repurchase and retirement of common stock (in shares)	(632,962)
Net loss	$ (26,041)
Balance, end of period at Aug. 03, 2019	$ 102,406		$ 170,869	(68,463)
Balance, end of period (in shares) at Aug. 03, 2019	13,961,029		13,961,029
Balance, beginning of period at May. 04, 2019	$ 119,808		$ 170,105	(50,297)
Balance, beginning of period (in shares) at May. 04, 2019			14,224,648
Increase (Decrease) in Stockholders Equity [Roll Forward]
Employee stock purchases	77		$ 77
Employee stock purchases (in shares)			22,354
Restricted stock units vested			70,725
Net share settlement of restricted stock	(44)		$ (44)
Net share settlement of restricted stock, (in Shares)			(10,792)
Stock-based compensation expense	731		$ 731
Repurchase and retirement of common stock	$ (1,046)			(1,046)
Repurchase and retirement of common stock (in shares)	(345,906)		(345,906)
Net loss	$ (17,120)			(17,120)
Balance, end of period at Aug. 03, 2019	$ 102,406		$ 170,869	(68,463)
Balance, end of period (in shares) at Aug. 03, 2019	13,961,029		13,961,029
Balance, beginning of period at Feb. 01, 2020	$ 76,955		$ 172,885	(95,930)
Balance, beginning of period (in shares) at Feb. 01, 2020	13,955,826		13,955,826
Increase (Decrease) in Stockholders Equity [Roll Forward]
Employee stock purchases	$ 35		$ 35
Employee stock purchases (in shares)			34,999
Restricted stock units vested			32,341
Net share settlement of restricted stock	(8)		$ (8)
Net share settlement of restricted stock, (in Shares)			(8,663)
Stock-based compensation expense	307		$ 307
Net loss	(7,438)			(7,438)
Balance, end of period at May. 02, 2020	69,851		$ 173,219	(103,368)
Balance, end of period (in shares) at May. 02, 2020			14,014,503
Balance, beginning of period at Feb. 01, 2020	$ 76,955		$ 172,885	(95,930)
Balance, beginning of period (in shares) at Feb. 01, 2020	13,955,826		13,955,826
Increase (Decrease) in Stockholders Equity [Roll Forward]
Repurchase and retirement of common stock (in shares)	0
Net loss	$ (16,801)
Balance, end of period at Aug. 01, 2020	$ 60,812		$ 173,543	(112,731)
Balance, end of period (in shares) at Aug. 01, 2020	14,240,081		14,240,081
Balance, beginning of period at May. 02, 2020	$ 69,851		$ 173,219	(103,368)
Balance, beginning of period (in shares) at May. 02, 2020			14,014,503
Increase (Decrease) in Stockholders Equity [Roll Forward]
Restricted stock units vested			230,688
Net share settlement of restricted stock	(5)		$ (5)
Net share settlement of restricted stock, (in Shares)			(5,110)
Stock-based compensation expense	$ 329		$ 329
Repurchase and retirement of common stock (in shares)	0
Net loss	$ (9,363)			(9,363)
Balance, end of period at Aug. 01, 2020	$ 60,812		$ 173,543	$ (112,731)
Balance, end of period (in shares) at Aug. 01, 2020	14,240,081		14,240,081