Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Financing Arrangements (Details Textual)

v3.3.1.900
Note 5 - Financing Arrangements (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 27, 2015
Dec. 28, 2014
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]          
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 124,000 $ 187,000 396,000 $ 453,000  
Advances On Factoring Agreements     0   $ 0
Line of Credit Facility, Commitment Fee Amount 8,000 $ 8,000 $ 25,000 $ 25,000  
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 $ 25,400,000   $ 25,400,000