Fair Value Measurements (Details Textuals) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jan. 28, 2012
Fair Value Disclosures [Abstract]
Long-lived assets, gross carrying amount	$ 1,200,000	$ 537,000	$ 1,200,000	$ 537,000	$ 966,000
Long-lived assets, fair value	772,000	320,000	772,000	320,000	628,000
Long-lived assets, Impairment charges	350,000	217,000	350,000	217,000	338,000
Remaining unamortized basis	$ 328,000	$ 84,000	$ 328,000	$ 84,000	$ 84,000