Segment Reporting (Details) (USD $)	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012	Feb. 02, 2013	Apr. 28, 2012
Segment Reporting [Line Items]
Restructuring and impairment	$ 0	$ (4,696,000)	$ 140,000	$ (5,494,000)
Asset Impairment Charges			100,000	100,000
Net sales	104,233,000	103,436,000	212,752,000	197,058,000
Depreciation expense	3,375,000	4,907,000	6,820,000	9,939,000
Operating income (loss)	(1,000)	(2,159,000)	781,000	(15,565,000)
Total assets	138,355,000	137,059,000	138,355,000	137,059,000	135,932,000	137,059,000
Christopher & Banks/ C.J. Banks
Segment Reporting [Line Items]
Net sales	104,233,000	103,436,000	212,752,000	197,058,000
Depreciation expense	2,431,000	3,808,000	4,884,000	7,724,000
Operating income (loss)	13,261,000	8,946,000	28,951,000	7,006,000
Total assets	96,366,000	90,264,000	96,366,000	90,264,000		90,264,000
Corporate/ Administrative
Segment Reporting [Line Items]
Net sales	0	0	0	0
Depreciation expense	944,000	1,099,000	1,936,000	2,215,000
Operating income (loss)	(13,262,000)	(11,105,000)	(28,170,000)	(22,571,000)
Total assets	41,989,000	46,795,000	41,989,000	46,795,000		46,795,000
Asset Impairment [Member] | Christopher & Banks/ C.J. Banks
Segment Reporting [Line Items]
Asset Impairment Charges			$ 100,000	$ 100,000