Balance Sheet Parenthetical Parentheticals (USD $)	Apr. 30, 2011	Jan. 29, 2011
Series B Mandatory Redeemable Preferred Stock	$ 0.01	$ 0.01
Series B Preferred Stock, Shares Authorized	4,929,266	4,929,266
Series B Preferred Stock, Shares, Issued	0	4,929,266
Series B Preferred Stock, Shares, Outstanding	0	4,929,266
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	47,359,188	37,781,688
Common stock, shares outstanding	47,359,188	37,781,688
Warrants, Outstanding	6,014,744	6,014,744