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Stock Grant Volatility (Details)
9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Share-based Compensation [Abstract]    
Expected Volatility Rate, Minimum 100.00% 97.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum 100.00% 98.00%
Risk Free Interest Rate, Minimum 1.10% 1.00%
Risk Free Interest Rate, Maximum 1.80% 1.00%
Expected Term 6 years 6 years
Grant Term Limit 10 years  
Award Vesting Period 3 years  
Exercise Term Limit 10 years