Accounting For Share-Based Payments - Options (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2016	May 02, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 32	$ 100
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (number of shares)	975,916
Granted (number of shares)	10,000
Exercised (number of shares)	0
Forfeited (number of shares)	(150,331)
Outstanding at end of period (number of shares)	835,585
Vested and expected to vest at end of period (number of shares)	835,585
Exercisable at beginning of period (number of shares)	813,081
Outstanding at beginning of period (weighted average exercise price)	$ 8.01
Granted (weighted average exercise price)	2.86
Exercised (weighted average exercise price)	0.00
Forfeited (weighted average exercise price)	7.89
Outstanding at end of period (weighted average exercise price)	7.97
Vested and expected to vest at end of period (weighted average exercise price)	7.97
Exercisable at end of period (weighted average exercise price)	$ 8.07
Outstanding at end of period (weighted average remaining contractual life)	6 years 1 month 6 days
Vested and expected to vest at end of period (weighted average remaining contractual life)	6 years 1 month 6 days
Exercisable at end of period (weighted average remaining contractual life)	6 years 1 month 6 days
Outstanding at end of period (aggregate intrinsic value)	$ 0
Vested and expected to vest at end of period (aggregate intrinsic value)	0
Exercisable at end of period (aggregate intrinsic value)	$ 0