Fair Value Measurements (Schedule of Assets Measure at Fair Value on Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 02, 2014	Feb. 01, 2014	Aug. 03, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund	$ 275	$ 10,269	$ 2,262
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund	275	10,269	2,262
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