Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Financing Arrangements (Details Textual)

v3.7.0.1
Note 4 - Financing Arrangements (Details Textual) - USD ($)
3 Months Ended
May 16, 2017
Jul. 02, 2017
Jul. 03, 2016
Apr. 02, 2017
Selling, General and Administrative Expense   $ 2,901,000 $ 2,839,000  
Line of Credit Facility, Remaining Borrowing Capacity   17,300,000   $ 21,400,000
Advances On Factoring Agreements   $ 0 0  
Daily Cash Balance, Interest Rate, Stated Percentage   2.25%    
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    
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   65,000 $ 94,000  
Chase Bank N.A. [Member] | Master Stand-by Claims Purchase Agreement [Member]        
Purchase Agreement, Monthly Fee, Percentage of Accounts Receivable 1.65%      
Purchase Agreement, Limit of Accounts Receivable Used in Determination of Monthly Fee $ 1,800,000      
Accounts Receivable, Net   1,700,000    
Selling, General and Administrative Expense   $ 64,000