Note 5 - Long-term Debt (Details Textual) - USD ($) $ in Millions | Oct. 18, 2021 | May 06, 2022 | Mar. 27, 2022 |
Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | | | |
Debt Instrument, Covenant, Minimum Liquidity | $ 25 | | |
Debt Instrument, Maturity Date | Oct. 18, 2026 | | |
Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | Minimum [Member] | | | |
Fixed Charge Coverage Ratio | 1.25% | | |
Consolidated Leverage Ratio for Restricted Junior Payments | 2.50% | | |
Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | Maximum [Member] | | | |
Consolidated Leverage Ratio | 3.00% | | |
Senior Credit Facility [Member] | | | |
Long-Term Line of Credit, Total | | | $ 50 |
Line of Credit Facility, Remaining Borrowing Capacity | | | $ 85.3 |
Long-Term Debt, Weighted Average Interest Rate, at Point in Time | | | 1.90% |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | | | 0.30% |
Letter of Credit [Member] | | | |
Letters of Credit Outstanding, Amount | | | $ 4.7 |
Long-Term Debt, Weighted Average Interest Rate, at Point in Time | | | 2.60% |
Letter of Credit [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | | | |
Line of Credit Facility, Maximum Borrowing Capacity | $ 10 | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Subsequent Event [Member] | | | |
Repayments of Debt | | $ 25 | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] | | | |
Debt Instrument, Basis Spread on Variable Rate | 0.50% | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | |
Debt Instrument, Basis Spread on Variable Rate | 1.00% | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | |
Debt Instrument, Basis Spread on Variable Rate | 1.50% | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Minimum [Member] | Base Rate [Member] | | | |
Debt Instrument, Basis Spread on Variable Rate | 0.50% | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | |
Debt Instrument, Basis Spread on Variable Rate | 2.25% | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Maximum [Member] | Base Rate [Member] | | | |
Debt Instrument, Basis Spread on Variable Rate | 1.25% | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | | | |
Line of Credit Facility, Maximum Borrowing Capacity | $ 140 | | |
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | Subject To Satisfaction Of Certain Conditions And Lender Consent [Member] | | | |
Line of Credit Facility, Maximum Borrowing Capacity | 200 | | |
Swingline Loans [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | | | |
Line of Credit Facility, Maximum Borrowing Capacity | $ 5 | | |