Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Financing Arrangements (Details Textual)

v3.2.0.727
Note 5 - Financing Arrangements (Details Textual) - USD ($)
3 Months Ended
Jun. 28, 2015
Mar. 29, 2015
Jun. 29, 2014
Revolving Credit Facility [Member] | Prime Rate [Member]      
Debt Instrument Basis Spread Below Variable Rate 0.50%    
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate 2.00%    
Revolving Credit Facility [Member]      
Letters of Credit Outstanding, Amount $ 0    
Long-term Line of Credit 0    
Line of Credit Facility, Maximum Borrowing Capacity 26,000,000    
Letter of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity 1,500,000    
Factoring Fees [Member]      
Selling, General and Administrative Expense 116,000   $ 107,000
Advances On Factoring Agreements $ 0 $ 0  
Daily Cash Balance, Interest Rate, Stated Percentage 1.25%    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.125%    
Line of Credit Facility, Commitment Fee Amount $ 8,000   $ 8,000
Line of Credit Facility, Remaining Borrowing Capacity $ 24,000,000