Fair Value Measurements (Schedule of Assets Measure at Fair Value on Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	May 03, 2014	Feb. 01, 2014	May 04, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund	$ 10,273	$ 10,269	$ 5,261
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund	10,273	10,269	5,261
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund