Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Long-term Debt (Details Textual)

v3.22.2
Note 9 - Long-term Debt (Details Textual)
 3 Months Ended 6 Months Ended 12 Months Ended
May 19, 2022
USD ($)
Mar. 31, 2021
USD ($)
Jun. 30, 2022
USD ($)
Mar. 31, 2022
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Jun. 09, 2021
USD ($)
Jun. 13, 2019
USD ($)
Gain (Loss) on Extinguishment of Debt, Total     $ 0   $ (4,936,000) $ 0 $ (4,936,000)      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax           (1,329,000) (1,560,000)      
Interest Expense, Debt, Total     $ 119,000   204,000 238,000 1,998,000      
Gains Losses on Derivatives Expected to Be Amortized from OCITO Earnings           $ 687,000        
Interest Rate Swap Effective May 31, 2019 Through May 31, 2024 [Member]                    
Derivative Liability, Notional Amount                   $ 175,000,000
Derivative, Fixed Interest Rate     2.495%     2.495%        
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     $ (291,000)   $ 402,000 $ (582,000) $ 1,150,000      
Derivative, Notional Amount $ 125,000,000                  
Derivative, Nonmonetary Notional Amount, Flow Rate, Percentage 2.718%                  
Interest Rate Derivative Liabilities, at Fair Value     1,716,000     1,716,000   $ 6,428,000    
Interest Rate Swap [Member] | Accrued Expenses and Other Current Liabilities [Member]                    
Interest Rate Derivative Liabilities, at Fair Value     1,051,000     1,051,000   3,479,000    
Interest Rate Swap [Member] | Other Noncurrent Assets [Member]                    
Interest Rate Derivative Liabilities, at Fair Value     665,000     665,000   2,949,000    
Secured Debt [Member]                    
Debt Instrument, Unamortized Discount, Total     444,000     444,000   499,000    
Long-Term Debt, Total     213,306,000     213,306,000   218,875,000    
Revolving Credit Facility [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity                 $ 100,000,000  
Long-Term Line of Credit, Total     58,000,000     58,000,000   0    
Line of Credit Facility, Remaining Borrowing Capacity     41,050,000     $ 41,050,000   99,050,000    
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 London Interbank Offered Rate [Member]                    
Debt Instrument, Basis Spread on Variable Rate           1.00%        
Revolving Credit Facility [Member] | Maximum [Member]                    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.30%        
Revolving Credit Facility [Member] | Maximum [Member] | Leverage Ratio Two [Member] | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument, Basis Spread on Variable Rate           1.00%        
Revolving Credit Facility [Member] | Minimum [Member]                    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.15%        
Revolving Credit Facility [Member] | Minimum [Member] | Leverage Ratio Two [Member] | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument, Basis Spread on Variable Rate           0.375%        
Letter of Credit [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity                 10,000,000  
Line of Credit [Member] | Secured Debt [Member]                    
Debt Instrument Percentage of Net Cash Proceeds of Certain Events Paid as Additional Principal Prepayments           100.00%        
Debt Instrument Percentage of Excess Cash Flow Paid as Additional Principal Prepayments           50.00%        
Debt Instrument Reduced Percentage of Excess Cash Flow Paid As Additional Principal Prepayments Upon Achievement of Certain Leverage Ratio Thresholds One           0.00%        
Debt Instrument Voluntary Payment   $ 20,000,000                
Line of Credit [Member] | Maximum [Member] | Secured Debt [Member]                    
Debt Instrument Period Before Fiscal Year End for Additional Principal Prepayments of Debt from Excess Cash Flow (Day)           150 days        
Senior Secured Term Loan Facility [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity                 225,000,000  
Senior Secured Term Loan Facility [Member] | Maximum [Member] | Leverage Ratio One [Member] | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument, Basis Spread on Variable Rate       2.00%   2.00%        
Senior Secured Term Loan Facility [Member] | Minimum [Member] | Leverage Ratio One [Member] | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument, Basis Spread on Variable Rate           1.375%        
Swingline Loan [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity                 15,000,000  
Credit Agreement [Member]                    
Debt Instrument, Unamortized Discount, Total     563,000     $ 563,000        
Debt Issuance Costs, Net, Total     $ 1,409,000     $ 1,409,000        
Write off of Deferred Debt Issuance Cost               972,000    
Write off of Unamortized Debt Discount               3,964,000    
Gain (Loss) on Extinguishment of Debt, Total               $ 4,936,000    
Debt Instrument Covenant Leverage Ratio           3.50%        
Debt Instrument, Covenant Consolidated Interest Coverage Ratio           3.00%        
Credit Agreement [Member] | Maximum [Member]                    
Line of Credit Facility Increase in Maximum Borrowing Capacity                 $ 175,000,000