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Summary of Significant Accounting Policies (Summary of Activity in Non-vested Restricted Stock) (Details) - $ / shares
12 Months Ended
Jan. 31, 2016
Feb. 01, 2015
Feb. 02, 2014
Stock-Based Compensation [Abstract]      
Beginning balance, shares 246,708 123,354 392,490
Vested (38,124)   (269,136)
Granted 587,769 123,354  
Ending balance, shares 796,353 246,708 123,354
Weighted average grant date fair value, beginning balance $ 1.67 $ 0.76 $ 0.65
Weighted average grant date fair value, vested 3.35   0.59
Weighted average grant date fair value, granted 3.78 2.58  
Weighted average grant date fair value, ending balance $ 3.15 $ 1.67 $ 0.76