XML 50 R36.htm IDEA: XBRL DOCUMENT v3.3.1.900
Fair Value Measurements (Schedule of Assets Measure at Fair Value on Recurring Basis) (Details) - USD ($)
$ in Thousands
Jan. 30, 2016
Jan. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents - money market account $ 5,386 $ 5,279
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents - money market account 5,386 5,279
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents - money market account 0 0
Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents - money market account $ 0 $ 0