XML 22 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Basic and Diluted Net Loss Per Common Share (Details)
3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
BASIC AND DILUTED NET LOSS PER COMMON SHARE [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 7,550,518 1,703,004 7,550,518 1,703,004