Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Financing Arrangements (Details Textual)

v3.3.0.814
Note 5 - Financing Arrangements (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Sep. 27, 2015
Mar. 29, 2015
Sep. 28, 2014
Sep. 27, 2015
Sep. 28, 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     $ 0  
Long-term Line of Credit 0     0  
Line of Credit Facility, Maximum Borrowing Capacity 26,000,000     26,000,000  
Letter of Credit [Member]          
Line of Credit Facility, Maximum Borrowing Capacity 1,500,000     1,500,000  
Factoring Fees [Member]          
Selling, General and Administrative Expense 156,000   $ 159,000 272,000 $ 266,000
Advances On Factoring Agreements   $ 0   0  
Line of Credit Facility, Commitment Fee Amount 8,000   $ 8,000 $ 16,000 $ 16,000
Daily Cash Balance, Interest Rate, Stated Percentage       1.25%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage       0.125%  
Line of Credit Facility, Remaining Borrowing Capacity $ 23,800,000     $ 23,800,000