Consolidated Statement of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit
Common Stock, Shares, Outstanding period beginning at Feb. 03, 2018		65,290,458
Total Shareholders' Equity period beginning at Feb. 03, 2018	$ 83,996	$ 653	$ 439,111	$ (355,768)
Net loss	(2,986)	$ 0	0	(2,986)
Common stock issuances pursuant to equity compensation awards, Shares		297,879
Common stock issuances pursuant to equity compensation awards, Value	(100)	$ 3	(103)	0
Share-based payment compensation	820	$ 0	820	0
Common Stock, Shares, Outstanding period end at May. 05, 2018		65,588,337
Total Shareholders' Equity period end at May. 05, 2018	81,730	$ 656	439,828	(358,754)
Common Stock, Shares, Outstanding period beginning at Feb. 03, 2018		65,290,458
Total Shareholders' Equity period beginning at Feb. 03, 2018	83,996	$ 653	439,111	(355,768)
Net loss	(3,026)
Common Stock, Shares, Outstanding period end at Aug. 04, 2018		66,287,786
Total Shareholders' Equity period end at Aug. 04, 2018	82,338	$ 663	440,469	(358,794)
Common Stock, Shares, Outstanding period beginning at May. 05, 2018		65,588,337
Total Shareholders' Equity period beginning at May. 05, 2018	81,730	$ 656	439,828	(358,754)
Net loss	(40)	$ 0	0	(40)
Common stock issuances pursuant to equity compensation awards, Shares		699,449
Common stock issuances pursuant to equity compensation awards, Value	84	$ 7	77	0
Share-based payment compensation	564	$ 0	564	0
Common Stock, Shares, Outstanding period end at Aug. 04, 2018		66,287,786
Total Shareholders' Equity period end at Aug. 04, 2018	$ 82,338	$ 663	440,469	(358,794)
Common Stock, Shares, Outstanding period beginning at Feb. 02, 2019	67,919,349	67,919,349.000
Total Shareholders' Equity period beginning at Feb. 02, 2019	$ 64,951	$ 679	442,197	(377,925)
Net loss	(20,990)	$ 0	0	(20,990)
Common stock issuances pursuant to equity compensation awards, Shares		311,636
Common stock issuances pursuant to equity compensation awards, Value	(8)	$ 3	(11)	0
Share-based payment compensation	966	$ 0	966	0
Common stock and warrant issuance, Shares		8,000,000
Common stock and warrant issuance, Value	6,018	$ 80	5,938	0
Common Stock, Shares, Outstanding period end at May. 04, 2019		76,230,985.000
Total Shareholders' Equity period end at May. 04, 2019	$ 50,937	$ 762	449,090	(398,915)
Common Stock, Shares, Outstanding period beginning at Feb. 02, 2019	67,919,349	67,919,349.000
Total Shareholders' Equity period beginning at Feb. 02, 2019	$ 64,951	$ 679	442,197	(377,925)
Net loss	$ (31,167)
Common Stock, Shares, Outstanding period end at Aug. 03, 2019	76,769,354	76,769,354.000
Total Shareholders' Equity period end at Aug. 03, 2019	$ 41,038	$ 768	449,362	(409,092)
Common Stock, Shares, Outstanding period beginning at May. 04, 2019		76,230,985.000
Total Shareholders' Equity period beginning at May. 04, 2019	50,937	$ 762	449,090	(398,915)
Net loss	(10,177)	$ 0	0	(10,177)
Common stock issuances pursuant to equity compensation awards, Shares		538,369
Common stock issuances pursuant to equity compensation awards, Value	(13)	$ 6	(19)	0
Share-based payment compensation	$ 291	$ 0	291	0
Common Stock, Shares, Outstanding period end at Aug. 03, 2019	76,769,354	76,769,354.000
Total Shareholders' Equity period end at Aug. 03, 2019	$ 41,038	$ 768	$ 449,362	$ (409,092)