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Note 21 - Subsequent Events (Details Textual) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended 24 Months Ended
Jan. 15, 2019
Mar. 13, 2017
Dec. 31, 2023
Jun. 30, 2023
Jun. 30, 2020
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2022
Proceeds from Issuance of Long-term Debt, Total           $ 14,000 $ 183,000  
Repayments of Long-term Debt, Total           31,030 $ 176,466  
The 2019 Senior Credit Facility [Member] | Scenario, Forecast [Member]                
Long-term Debt, Maturities, Repayments of Principal, Percentage Per Quarter     2.50% 1.875% 0.625%     1.25%
The 2019 Senior Credit Facility [Member] | Subsequent Event [Member]                
Debt Agreement, Alternate Base Rate, Percentage Lower Than LIBOR Margin 1.00%              
The 2019 Senior Credit Facility [Member] | Subsequent Event [Member] | London Interbank Offered Rate (LIBOR) [Member]                
Debt Instrument, Basis Spread on Variable Rate 4.50%              
The 2019 Senior Credit Facility [Member] | Initial Term A Facility [Member] | Subsequent Event [Member]                
Debt Instrument, Face Amount $ 180,000              
Proceeds from Issuance of Long-term Debt, Total 180,000              
The 2019 Senior Credit Facility [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]                
Line of Credit Facility, Maximum Borrowing Capacity 20,000              
The 2019 Senior Credit Facility [Member] | Delayed-Draw Term A Facility [Member] | Subsequent Event [Member]                
Debt Agreement, Maximum Borrowing Capacity 25,000              
The 2019 Senior Credit Facility [Member] | Incremental Term A Loans [Member] | Subsequent Event [Member]                
Debt Agreement, Minimum Incremental Borrowing Capacity 60,000              
The 2017 Senior Credit Facility [Member] | Revolving Credit Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity   $ 15,000       $ 15,000    
The 2017 Senior Credit Facility [Member] | Term A-1 Facility [Member]                
Debt Instrument, Face Amount   $ 120,000            
The 2017 Senior Credit Facility [Member] | Term A-1 Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                
Debt Instrument, Basis Spread on Variable Rate   5.00%            
The 2017 Senior Credit Facility [Member] | Term A-1 Facility [Member] | Subsequent Event [Member]                
Repayments of Long-term Debt, Total 112,500              
The 2017 Senior Credit Facility [Member] | Term A-2 Facility [Member]                
Debt Instrument, Face Amount   $ 60,000            
The 2017 Senior Credit Facility [Member] | Term A-2 Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                
Debt Instrument, Basis Spread on Variable Rate   7.00%            
The 2017 Senior Credit Facility [Member] | Term A-2 Facility [Member] | Subsequent Event [Member]                
Repayments of Long-term Debt, Total $ 59,250