Condensed Consolidated Statement of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Common Stock, Shares, Outstanding period beginning at Feb. 02, 2019		6,791,934
Total Shareholders' Equity period beginning at Feb. 02, 2019	$ 64,951	$ 68	$ 442,808	$ (377,925)
Net income (loss)	(20,990)	$ 0	0	(20,990)
Common stock issuances pursuant to equity compensation awards, Shares		31,164
Common stock issuances pursuant to equity compensation awards, Value	(8)	$ 0	(8)	0
Share-based payment compensation	966	$ 0	966	0
Common stock and warrant issuance, Shares		800,000
Common stock and warrant issuance, Value	6,018	$ 8	6,010	0
Common Stock, Shares, Outstanding period end at May. 04, 2019		7,623,098
Total Shareholders' Equity period end at May. 04, 2019	50,937	$ 76	449,776	(398,915)
Common Stock, Shares, Outstanding period beginning at Feb. 02, 2019		6,791,934
Total Shareholders' Equity period beginning at Feb. 02, 2019	64,951	$ 68	442,808	(377,925)
Net income (loss)	(31,167)
Common Stock, Shares, Outstanding period end at Aug. 03, 2019		7,676,935
Total Shareholders' Equity period end at Aug. 03, 2019	41,038	$ 77	450,053	(409,092)
Common Stock, Shares, Outstanding period beginning at May. 04, 2019		7,623,098
Total Shareholders' Equity period beginning at May. 04, 2019	50,937	$ 76	449,776	(398,915)
Net income (loss)	(10,177)	$ 0	0	(10,177)
Common stock issuances pursuant to equity compensation awards, Shares		53,837
Common stock issuances pursuant to equity compensation awards, Value	(13)	$ 1	(14)	0
Share-based payment compensation	291	$ 0	291	0
Common Stock, Shares, Outstanding period end at Aug. 03, 2019		7,676,935
Total Shareholders' Equity period end at Aug. 03, 2019	$ 41,038	$ 77	450,053	(409,092)
Common Stock, Shares, Outstanding period beginning at Feb. 01, 2020	8,208,227	8,208,227
Total Shareholders' Equity period beginning at Feb. 01, 2020	$ 18,694	$ 82	452,833	(434,221)
Net income (loss)	(6,828)	$ 0	0	(6,828)
Common stock issuances pursuant to equity compensation awards, Shares		32,652
Common stock issuances pursuant to equity compensation awards, Value	(2)	$ 1	(3)	0
Share-based payment compensation	615	$ 0	615	0
Common stock and warrant issuance, Shares		731,937
Common stock and warrant issuance, Value	1,425	$ 7	1,418	0
Common Stock, Shares, Outstanding period end at May. 02, 2020		8,972,816
Total Shareholders' Equity period end at May. 02, 2020	$ 13,904	$ 90	454,863	(441,049)
Common Stock, Shares, Outstanding period beginning at Feb. 01, 2020	8,208,227	8,208,227
Total Shareholders' Equity period beginning at Feb. 01, 2020	$ 18,694	$ 82	452,833	(434,221)
Net income (loss)	$ (5,774)
Common stock and warrant issuance, Shares	1,836,314
Common Stock, Shares, Outstanding period end at Aug. 01, 2020	10,141,649	10,141,649
Total Shareholders' Equity period end at Aug. 01, 2020	$ 17,446	$ 101	457,340	(439,995)
Common Stock, Shares, Outstanding period beginning at May. 02, 2020		8,972,816
Total Shareholders' Equity period beginning at May. 02, 2020	13,904	$ 90	454,863	(441,049)
Net income (loss)	1,054	$ 0	0	1,054
Common stock issuances pursuant to equity compensation awards, Shares		64,456
Common stock issuances pursuant to equity compensation awards, Value	(5)	$ 1	(6)	0
Share-based payment compensation	108	$ 0	108	0
Common stock and warrant issuance, Shares		1,104,377
Common stock and warrant issuance, Value	$ 2,385	$ 10	2,375	0
Common Stock, Shares, Outstanding period end at Aug. 01, 2020	10,141,649	10,141,649
Total Shareholders' Equity period end at Aug. 01, 2020	$ 17,446	$ 101	$ 457,340	$ (439,995)