Annual report pursuant to Section 13 and 15(d)

Note 3 - Financing Arrangements (Details Textual)

v3.7.0.1
Note 3 - Financing Arrangements (Details Textual) - USD ($)
9 Months Ended 12 Months Ended
Dec. 27, 2015
Apr. 02, 2017
Apr. 03, 2016
Selling, General and Administrative Expense   $ 10,711,000 $ 13,025,000
Line of Credit Facility, Remaining Borrowing Capacity   21,400,000 25,600,000
Advances On Factoring Agreements   $ 0 0
Daily Cash Balance, Interest Rate, Stated Percentage   2.00%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.125%    
Line of Credit Facility, Commitment Fee Amount     25,000
Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 26,000,000  
Long-term Line of Credit   0 0
Letters of Credit Outstanding, Amount   $ 0 0
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%  
Letter of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 1,500,000  
Factoring Fees [Member]      
Selling, General and Administrative Expense   $ 395,000 $ 556,000