Annual report pursuant to Section 13 and 15(d)

Note 3 - Financing Arrangements (Details Textual)

v3.4.0.3
Note 3 - Financing Arrangements (Details Textual) - USD ($)
12 Months Ended
Apr. 03, 2016
Mar. 29, 2015
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]    
Long-term Line of Credit $ 0 $ 0
Letters of Credit Outstanding, Amount 0 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 556,000 673,000
Advances On Factoring Agreements $ 0 0
Daily Cash Balance, Interest Rate, Stated Percentage 1.50%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.125%  
Line of Credit Facility, Commitment Fee Amount $ 25,000 33,000
Line of Credit Facility, Remaining Borrowing Capacity $ 25,600,000 $ 26,000,000