Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Long-term Debt (Details Textual)

v3.24.2
Note 9 - Long-term Debt (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jan. 05, 2023
May 19, 2022
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Jun. 30, 2021
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Jan. 29, 2024
Jul. 11, 2023
Jun. 13, 2019
Repayments of Long-Term Debt                   $ (0) $ 5,625        
Interest Rate Swap Effective May 31, 2019 Through May 31, 2024 [Member]                              
Derivative Liability, Notional Amount                             $ 175,000
Derivative, Fixed Interest Rate       2.424%           2.424%          
Interest Rate Swap [Member]                              
Derivative Counter Party Risk Number of Financial Institutions                   1          
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax       $ (194)       $ (291)   $ (485) (582)        
Interest Expense, Debt       79       $ 119   198 $ 238        
Gains Losses on Derivatives Expected to Be Amortized from OCITO Earnings                   0          
Derivative, Notional Amount   $ 125,000                          
Derivative, Nonmonetary Notional Amount, Flow Rate, Percentage   2.718%                          
Interest Rate Derivative Liabilities, at Fair Value       4,271   $ 4,033       4,271   $ 4,033      
Secured Debt [Member]                              
Long-Term Debt       189,469   189,413       189,469   189,413      
Prepaid Expenses and Other Current Assets [Member] | Interest Rate Swap [Member]                              
Interest Rate Derivative Liabilities, at Fair Value       2,765   3,174       2,765   3,174      
Other Noncurrent Assets [Member] | Interest Rate Swap [Member]                              
Interest Rate Derivative Liabilities, at Fair Value       1,506   859       1,506   859      
Revolving Credit Facility [Member]                              
Debt Issuance Costs, Net $ 334                       $ 279    
Line of Credit Facility Increase in Maximum Borrowing Capacity 50,000                            
Line of Credit Facility, Maximum Borrowing Capacity $ 150,000     150,000           150,000          
Long-Term Debt       63,000   47,000       63,000   47,000      
Line of Credit Facility, Remaining Borrowing Capacity       86,450   $ 102,450       $ 86,450   102,450      
Revolving Credit Facility [Member] | New York Federal Reserve Bank NYFRB [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   0.50%          
Revolving Credit Facility [Member] | One Month Adjusted Term SOFR Rate [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   0.10%          
Revolving Credit Facility [Member] | Minimum [Member]                              
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage                   0.15%          
Revolving Credit Facility [Member] | Maximum [Member]                              
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage                   0.30%          
Letter of Credit [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity       $ 10,000           $ 10,000          
Leverage Ratio Two [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   0.375%          
Leverage Ratio Two [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   1.00%          
Credit Agreement [Member]                              
Debt Instrument Covenant Leverage Ratio 3.50%     4.00% 4.00% 4.25% 3.50%     4.00%          
Repayments of Long-Term Debt                       10,000      
Debt Instrument, Covenant Consolidated Interest Coverage Ratio                 3.00%            
Credit Agreement [Member] | Maximum [Member]                              
Line of Credit Facility Increase in Maximum Borrowing Capacity       $ 175,000           $ 175,000          
Credit Agreement [Member] | Asset Pledged as Collateral [Member] | Cash Surrender Value of Corporate Owned Life Insurance Policies [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity                           $ 1,000  
Credit Agreement [Member] | Asset Pledged as Collateral [Member] | Corporate Owned Life Insurance Policies [Member] | Other Noncurrent Liabilities [Member]                              
Secured Debt       546   $ 750       546   $ 750      
Credit Agreement [Member] | Forecast [Member]                              
Debt Instrument Covenant Leverage Ratio     3.50%                        
Senior Secured Term Loan Facility [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity       225,000           $ 225,000          
Senior Secured Term Loan Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   0.10%          
Senior Secured Term Loan Facility [Member] | Leverage Ratio One [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   1.375%          
Senior Secured Term Loan Facility [Member] | Leverage Ratio One [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) [Member]                              
Debt Instrument, Basis Spread on Variable Rate                   2.00%          
Swingline Loan [Member]                              
Line of Credit Facility, Maximum Borrowing Capacity       $ 15,000           $ 15,000