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Note 5 - Debt (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 21, 2021
May 03, 2025
Apr. 27, 2024
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) [Member]  
Term Loan Facility [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.15%    
Debt Instrument, Face Amount $ 50,000    
Long-Term Debt, Gross   $ 0 $ 0
Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 100,000  
Debt Instrument, Basis Spread on Variable Rate   1.15%  
Long-Term Line of Credit   $ 0 $ 0
Letters of Credit Outstanding, Amount   2,700  
Line of Credit Facility, Remaining Borrowing Capacity   $ 97,300