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Note 3 - Long-term Debt (Details Textual) - Credit Agreement [Member]
$ in Thousands
12 Months Ended
May 04, 2023
USD ($)
Aug. 23, 2022
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2023
Mar. 31, 2023
Debt Instrument Covenant, Net Leverage Ratio   4   2.9    
Debt Instrument Covenant Fixed Charge Coverage Ratio   1.25   2.1    
PNC Bank [Member]            
Line of Credit Facility, Additional Capacity Available   $ 75,000        
Debt Instrument Covenant, Maximum Permitted Capital Expenditures $ 10,000          
Debt Instrument Covenant, Permitted Payments, Amount $ 20,000          
Debt, Weighted Average Interest Rate       7.40%    
PNC Bank [Member] | Forecast [Member]            
Debt Instrument Covenant, Permitted Payments, Amount     $ 10,000      
Debt Instrument Covenant, Permitted Investments     $ 5,000      
PNC Bank [Member] | Maximum [Member]            
Debt Instrument Covenant, Net Leverage Ratio 4     4.5 4.8 4.5
PNC Bank [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate   0.25%        
PNC Bank [Member] | Maximum [Member] | Adjusted Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.00%        
PNC Bank [Member] | Maximum [Member] | Forecast [Member]            
Debt Instrument Covenant, Net Leverage Ratio     4      
PNC Bank [Member] | Maximum [Member] | Forecast [Member] | Secured Overnight Financing Rate (SOFR) [Member]            
Debt Instrument, Basis Spread on Variable Rate     2.50%      
PNC Bank [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate   0.10%        
PNC Bank [Member] | Minimum [Member] | Adjusted Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate   1.00%        
Revolving Credit Facility [Member]            
Letters of Credit Outstanding, Amount       $ 0    
Revolving Credit Facility [Member] | PNC Bank [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 125,000        
Revolving Credit Facility [Member] | PNC Bank [Member] | Maximum [Member]            
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.25%        
Revolving Credit Facility [Member] | PNC Bank [Member] | Maximum [Member] | Forecast [Member]            
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.30%      
Revolving Credit Facility [Member] | PNC Bank [Member] | Minimum [Member]            
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.125%        
Term Loan [Member] | PNC Bank [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 75,000        
Long-Term Debt, Maturity, Remainder of Fiscal Year       900    
Long-Term Debt, Maturity, Year One       4,700    
Long-Term Debt, Maturity, Year Two       5,600    
Long-Term Debt, Maturity, Year Three       6,600    
Long-Term Debt, Maturity, Year Four       $ 52,500