Shareholders' Equity - Stock Option Awards - Outstanding Stock Options (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017
2011 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	3,384	2,543
Options outstanding, weighted average exercise price	$ 1.64	$ 2.19
Options outstanding, weighted average remaining contractual life	8 years 4 months 28 days
Options outstanding, aggregate intrinsic value	$ 58
Vested or expected to vest, outstanding	3,078
Vested or expected to vest, outstanding, weighted average exercise price	$ 1.67
Vested or expected to vest, outstanding, weighted average remaining contractual life	8 years 2 months 11 days
Vested or expected to vest, outstanding, aggregate intrinsic value	$ 55
2004 Omnibus Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	112	301
Options outstanding, weighted average exercise price	$ 4.86	$ 5.41
Options outstanding, weighted average remaining contractual life	5 years 9 months 11 days
Options outstanding, aggregate intrinsic value	$ 0
Vested or expected to vest, outstanding	112
Vested or expected to vest, outstanding, weighted average exercise price	$ 4.86
Vested or expected to vest, outstanding, weighted average remaining contractual life	5 years 9 months 11 days
Vested or expected to vest, outstanding, aggregate intrinsic value	$ 0
2001 Omnibus Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	0	77
Options outstanding, weighted average exercise price	$ 0.00	$ 10.73
Options outstanding, weighted average remaining contractual life	0 years
Options outstanding, aggregate intrinsic value	$ 0
Vested or expected to vest, outstanding	0
Vested or expected to vest, outstanding, weighted average exercise price	$ 0.00
Vested or expected to vest, outstanding, weighted average remaining contractual life	0 years
Vested or expected to vest, outstanding, aggregate intrinsic value	$ 0