Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Financing Arrangements (Details)

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Note 5 - Financing Arrangements (Details) (USD $)
3 Months Ended 6 Months Ended
Sep. 28, 2014
Jun. 29, 2014
Mar. 30, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Note 5 - Financing Arrangements (Details) [Line Items]            
Advances On Factoring Agreements     $ 0   $ 0  
Line of Credit Facility, Interest Rate at Period End 1.25%       1.25%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.125%        
Line of Credit Facility, Commitment Fee Amount 8,000     8,000 16,000 24,000
Line of Credit Facility, Remaining Borrowing Capacity 24,700,000       24,700,000  
Revolving Credit Facility [Member] | Prime Rate [Member]
           
Note 5 - Financing Arrangements (Details) [Line Items]            
Debt Instrument, Basis Spread on Variable Rate         0.50%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
           
Note 5 - Financing Arrangements (Details) [Line Items]            
Debt Instrument, Basis Spread on Variable Rate         2.00%  
Revolving Credit Facility [Member]
           
Note 5 - Financing Arrangements (Details) [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity 26,000,000       26,000,000  
Debt Instrument, Maturity Date         Jul. 11, 2016  
Letter of Credit [Member]
           
Note 5 - Financing Arrangements (Details) [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity 1,500,000       1,500,000  
Prime Rate [Member]
           
Note 5 - Financing Arrangements (Details) [Line Items]            
Debt Instrument Basis Spread Below Variable Rate         2.00%  
Factoring Fees [Member]
           
Note 5 - Financing Arrangements (Details) [Line Items]            
Selling, General and Administrative Expense $ 159,000     $ 112,000 $ 266,000 $ 197,000