Annual report pursuant to Section 13 and 15(d)

Note 3 - Financing Arrangements (Details Textual)

v3.20.1
Note 3 - Financing Arrangements (Details Textual) - USD ($)
12 Months Ended
Mar. 29, 2020
Mar. 31, 2019
Selling, General and Administrative Expense, Total $ 13,853,000 $ 15,194,000
Line of Credit Facility, Remaining Borrowing Capacity 20,100,000 19,400,000
Revolving Credit Facility [Member]    
Line of Credit Facility, Maximum Borrowing Capacity 26,000,000  
Long-term Line of Credit, Total 2,600,000 4,500,000
Letters of Credit Outstanding, Amount $ 0 0
Revolving Credit Facility [Member] | Prime Rate [Member]    
Debt Instrument Basis Spread Below Variable Rate 0.50%  
Debt Instrument, Basis Spread on Variable Rate 2.00%  
Debt Instrument, Interest Rate, Effective Percentage 2.75%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Debt Instrument, Basis Spread on Variable Rate 1.75%  
Debt Instrument, Interest Rate, Effective Percentage 3.27%  
Letter of Credit [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 1,500,000  
Factoring Fees [Member]    
Selling, General and Administrative Expense, Total $ 255,000 $ 261,000