Consolidated Statement of Shareholders' Equity - 3 months ended Apr. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit
Common Stock, Shares, Outstanding period beginning at Jan. 30, 2016	57,170,245	57,170,245
Total Shareholders' Equity period beginning at Jan. 30, 2016	$ 76,979	$ 571	$ 423,574	$ (347,166)
Net income (loss)	(4,942)	$ 0	0	(4,942)
Stock Issued During Period, Shares, New Issues		22,049
Stock Issued During Period, Value, New Issues	(4)	$ (1)	(5)	0
Share-based payment compensation	$ 237	$ 0	237	0
Share-based payment compensation		0
Common Stock, Shares, Outstanding period end at Apr. 30, 2016	57,192,294	57,192,294
Total Shareholders' Equity period end at Apr. 30, 2016	$ 72,270	$ 572	$ 423,806	$ (352,108)