Shareholders' Equity - Stock Option Awards - Stock Option Activity (Details) shares in Thousands	3 Months Ended
	May 05, 2018 $ / shares shares
2011 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance outstanding at beginning of period | shares	3,384
Granted | shares	953
Exercised | shares	0
Forfeited or canceled | shares	(25)
Balance outstanding at end of period | shares	4,312
Options exercisable | shares	1,553
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balance outstanding at beginning of period, weighted average exercise price | $ / shares	$ 1.64
Granted, weighted average exercise price | $ / shares	0.99
Exercised, weighted average exercise price | $ / shares	0.00
Forfeited or canceled, weighted average exercise price | $ / shares	3.08
Balance outstanding at end of period, weighted average exercise price | $ / shares	1.49
Options exercisable, weighted average exercise price | $ / shares	$ 1.94
2004 Omnibus Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance outstanding at beginning of period | shares	112
Granted | shares	0
Exercised | shares	0
Forfeited or canceled | shares	(5)
Balance outstanding at end of period | shares	107
Options exercisable | shares	107
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balance outstanding at beginning of period, weighted average exercise price | $ / shares	$ 4.86
Granted, weighted average exercise price | $ / shares	0.00
Exercised, weighted average exercise price | $ / shares	0.00
Forfeited or canceled, weighted average exercise price | $ / shares	4.62
Balance outstanding at end of period, weighted average exercise price | $ / shares	4.87
Options exercisable, weighted average exercise price | $ / shares	$ 4.87