Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Schedule Of Assets And Liabilities Measured At Fair Value) (Details)

v3.6.0.2
Summary Of Significant Accounting Policies (Schedule Of Assets And Liabilities Measured At Fair Value) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Jan. 02, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency contracts included in prepaid expenses and other current assets $ 4  
Total financial assets and liabilities 27,921  
Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds included in cash equivalents 27,917 $ 14,460
Foreign currency contracts included in prepaid expenses and other current assets   33
Total financial assets and liabilities   14,493
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total financial assets and liabilities 27,917  
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds included in cash equivalents 27,917 14,460
Total financial assets and liabilities   14,460
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency contracts included in prepaid expenses and other current assets 4  
Total financial assets and liabilities $ 4  
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency contracts included in prepaid expenses and other current assets   33
Total financial assets and liabilities   $ 33