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Note 16 - Indebtedness (Details Textual) - USD ($)
Dec. 22, 2021
Mar. 31, 2023
Long-Term Debt   $ 60,000,000
Subsidiary Guarantors [Member] | Second Amended and Restated Credit Agreement [Member]    
Debt Instrument, Face Amount $ 130,000,000  
Long-Term Debt   60,000,000
Letters of Credit Outstanding, Amount   $ 700,000
Debt Instrument, Interest Rate, Stated Percentage   6.10%
Subsidiary Guarantors [Member] | Second Amended and Restated Credit Agreement [Member] | Bloomberg Short-term Bank Yield Index Rate [Member] | Minimum [Member]    
Debt Instrument, Basis Spread on Variable Rate 1.25%  
Subsidiary Guarantors [Member] | Second Amended and Restated Credit Agreement [Member] | Bloomberg Short-term Bank Yield Index Rate [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 2.00%  
Subsidiary Guarantors [Member] | Second Amended and Restated Credit Agreement [Member] | Prime Rate [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.25%  
Subsidiary Guarantors [Member] | Second Amended and Restated Credit Agreement [Member] | Secured Revolving Credit Facility [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 90,000,000  
Debt Instrument, Periodic Payment, Principal 1,000,000  
Subsidiary Guarantors [Member] | Second Amended and Restated Credit Agreement [Member] | Secured Term Loan [Member]    
Debt Instrument, Face Amount $ 40,000,000